<SEC-DOCUMENT>0001193125-26-293422.txt : 20260702
<SEC-HEADER>0001193125-26-293422.hdr.sgml : 20260702
<ACCEPTANCE-DATETIME>20260702070015
ACCESSION NUMBER:		0001193125-26-293422
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		11
CONFORMED PERIOD OF REPORT:	20260702
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20260702
DATE AS OF CHANGE:		20260702

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ALTA EQUIPMENT GROUP INC.
		CENTRAL INDEX KEY:			0001759824
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-INDUSTRIAL MACHINERY & EQUIPMENT [5084]
		ORGANIZATION NAME:           	07 Trade & Services
		EIN:				832583782
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38864
		FILM NUMBER:		261147689

	BUSINESS ADDRESS:	
		STREET 1:		13211 MERRIMAN ROAD
		CITY:			LIVONIA
		STATE:			MI
		ZIP:			48150
		BUSINESS PHONE:		(248) 449-6700

	MAIL ADDRESS:	
		STREET 1:		13211 MERRIMAN ROAD
		CITY:			LIVONIA
		STATE:			MI
		ZIP:			48150

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	B. Riley Principal Merger Corp.
		DATE OF NAME CHANGE:	20181121
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>altg-20260702.htm
<DESCRIPTION>8-K
<TEXT>
<XBRL>
<?xml version='1.0' encoding='ASCII'?>
<!-- DFIN New ActiveDisclosure (SM) Inline XBRL Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date :2026-07-01T16:24:20.5939+00:00 -->
<!-- Copyright (c) 2026 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:ix="http://www.xbrl.org/2013/inlineXBRL" xmlns:nonNumeric="http://www.xbrl.org/dtr/type/non-numeric" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dei="http://xbrl.sec.gov/dei/2026" xmlns:us-gaap="http://fasb.org/us-gaap/2026" xmlns:iso4217="http://www.xbrl.org/2003/iso4217" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2024-01-31" xmlns:altg="http://www.altaequipment.com/20260702" xmlns:ixt-sec="http://www.sec.gov/inlineXBRL/transformation/2015-08-31" xmlns:ixt="http://www.xbrl.org/inlineXBRL/transformation/2022-02-16" xmlns:utr="http://www.xbrl.org/2009/utr">
 <head>
  <title>8-K</title>
  <meta http-equiv="Content-Type" content="text/html"/>
 </head>
 <body style="padding:8px;margin:auto!important;z-index:0;-webkit-text-size-adjust:100%;position:relative;">
  <div style="display:none;"><ix:header><ix:hidden><ix:nonNumeric id="F_51b4a60c-2745-466e-8075-dfe4972e9a52" name="dei:EntityCentralIndexKey" contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a">0001759824</ix:nonNumeric><ix:nonNumeric id="F_1d88bc2f-b3e6-4eb9-9f93-b8c39efb5bf9" name="dei:AmendmentFlag" contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a" format="ixt:fixed-false">false</ix:nonNumeric></ix:hidden><ix:references><link:schemaRef xlink:type="simple" xlink:href="altg-20260702.xsd"/></ix:references><ix:resources><xbrli:context id="C_2afda226-971d-48da-bb20-e27bd95e262a"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001759824</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-07-02</xbrli:startDate><xbrli:endDate>2026-07-02</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="C_67541116-813a-4087-9b27-175bb0c68c8c"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001759824</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:PreferredStockMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2026-07-02</xbrli:startDate><xbrli:endDate>2026-07-02</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="C_7c494cf2-043c-45dd-a9e9-05add6926903"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001759824</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">altg:CommonStocksClassUndefinedMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:startDate>2026-07-02</xbrli:startDate><xbrli:endDate>2026-07-02</xbrli:endDate></xbrli:period></xbrli:context></ix:resources></ix:header></div>
  <div style="z-index:2;min-height:0.5in;position:relative;"></div>
  <div class="main-content-container" style="z-index:5;position:relative;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;border-bottom:1.5pt double #000000;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:6pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:4pt;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:18pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">UNITED STATES</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:18pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">SECURITIES AND EXCHANGE COMMISSION</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:12pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Washington, D.C. 20549</span></p><p style="margin-left:41.413%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;border-bottom:1pt solid #000000;margin-right:41.417%;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-size:6pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:18pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">FORM </span><span style="font-size:18pt;font-family:Times New Roman;"><ix:nonNumeric id="F_342afd2d-155b-4b45-8572-8994cbd034f1" contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a" name="dei:DocumentType"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:18pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">8-K</span></ix:nonNumeric></span></p><p style="margin-left:41.413%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;border-bottom:1pt solid #000000;margin-right:41.417%;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-size:6pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:12pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">CURRENT REPORT</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:12pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">PURSUANT TO SECTION 13 OR 15(d)</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:12pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">OF THE SECURITIES EXCHANGE ACT OF 1934</span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:12pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Date of Report (Date of earliest event reported): </span><span style="font-size:12pt;font-family:Times New Roman;"><ix:nonNumeric id="F_8645a175-aa5f-47b7-b8c2-9c640e3b0cd1" contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a" name="dei:DocumentPeriodEndDate" format="ixt:date-monthname-day-year-en"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:12pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">July 2, 2026</span></ix:nonNumeric></span></p><p style="margin-left:41.413%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;border-bottom:1pt solid #000000;margin-right:41.417%;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-size:6pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="font-size:24pt;font-family:Times New Roman;"><ix:nonNumeric id="F_56a0a6e3-e96d-454e-bee0-99c82a2fd475" contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a" name="dei:EntityRegistrantName"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:24pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">ALTA EQUIPMENT GROUP INC.</span></ix:nonNumeric></span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">(Exact name of registrant as specified in its charter)</span></p><p style="margin-left:41.413%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;border-bottom:1pt solid #000000;margin-right:41.417%;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-size:6pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:6pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p>
   <table style="margin-left:auto;border-spacing:0;table-layout:auto;width:100.0%;border-collapse:separate;margin-right:auto;">
    <tr style="visibility:collapse;">
     <td style="width:33.88%;box-sizing:content-box;"/>
     <td style="width:1.2%;box-sizing:content-box;"/>
     <td style="width:31.86%;box-sizing:content-box;"/>
     <td style="width:1.18%;box-sizing:content-box;"/>
     <td style="width:31.88%;box-sizing:content-box;"/>
    </tr>
    <tr style="height:8pt;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:center;"><span style="font-size:8pt;"><ix:nonNumeric id="F_562c5dc0-f302-446a-9f28-666985dac9f1" contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a" name="dei:EntityIncorporationStateCountryCode" format="ixt-sec:stateprovnameen"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Delaware</span></ix:nonNumeric></span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:center;"><span style="font-size:8pt;"><ix:nonNumeric id="F_c9cab754-7e16-48d2-9eec-f27bf5db5a38" contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a" name="dei:EntityFileNumber"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">001-38864</span></ix:nonNumeric></span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:center;"><span style="font-size:8pt;"><ix:nonNumeric id="F_20fabaf2-2b2d-4f3e-a820-403e37f86bb8" contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a" name="dei:EntityTaxIdentificationNumber"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">83-2583782</span></ix:nonNumeric></span></p></td>
    </tr>
    <tr style="height:8pt;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">(State or other jurisdiction<br/>of incorporation)</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">(Commission<br/>File Number)</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">(IRS Employer<br/>Identification No.)</span></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="font-size:10pt;font-family:Times New Roman;"><ix:nonNumeric id="F_6f27c9b6-1e47-4495-ada6-5316b8e30a79" contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a" name="dei:EntityAddressAddressLine1"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">13211 Merriman Road</span></ix:nonNumeric></span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="font-size:10pt;font-family:Times New Roman;"><ix:nonNumeric id="F_a481350a-1fc0-4b3a-b9b4-88798c0f215e" contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a" name="dei:EntityAddressCityOrTown"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Livonia</span></ix:nonNumeric></span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">, </span><span style="font-size:10pt;font-family:Times New Roman;"><ix:nonNumeric id="F_2f853d44-18cb-419d-86f4-34cd2d61f8e5" contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a" name="dei:EntityAddressStateOrProvince" format="ixt-sec:stateprovnameen"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Michigan</span></ix:nonNumeric></span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span><span style="font-size:10pt;font-family:Times New Roman;"><ix:nonNumeric id="F_37e9d556-57f0-4e61-981c-2e50590054e7" contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a" name="dei:EntityAddressPostalZipCode"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">48150</span></ix:nonNumeric></span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">(Address of principal executive offices, including zip code)</span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Registrant&#8217;s telephone number, including area code: (</span><span style="font-size:10pt;font-family:Times New Roman;"><ix:nonNumeric id="F_da34af5b-4ebe-4ca9-90f6-116c2a73397d" contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a" name="dei:CityAreaCode"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">248</span></ix:nonNumeric></span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">) </span><span style="font-size:10pt;font-family:Times New Roman;"><ix:nonNumeric id="F_b8495779-a133-4597-a0e2-b39f959fd473" contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a" name="dei:LocalPhoneNumber"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">449-6700</span></ix:nonNumeric></span></p><p style="margin-left:41.413%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;border-bottom:1pt solid #000000;margin-right:41.417%;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-size:6pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:6pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p>
   <table style="border-spacing:0;table-layout:auto;width:100.0%;border-collapse:separate;">
    <tr style="visibility:collapse;">
     <td style="width:4.16%;box-sizing:content-box;"/>
     <td style="width:95.84%;box-sizing:content-box;"/>
    </tr>
    <tr style="height:9pt;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:left;"><span style="font-size:9pt;font-family:'Segoe UI Symbol',sans-serif;"><ix:nonNumeric id="F_d4eb1431-c880-4dc2-972a-3d979a48ba94" contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a" name="dei:WrittenCommunications" format="ixt-sec:boolballotbox"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#9744;</span></ix:nonNumeric></span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</span></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:6pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p>
   <table style="border-spacing:0;table-layout:auto;width:100.0%;border-collapse:separate;">
    <tr style="visibility:collapse;">
     <td style="width:4.16%;box-sizing:content-box;"/>
     <td style="width:95.84%;box-sizing:content-box;"/>
    </tr>
    <tr style="height:9pt;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:left;"><span style="font-size:9pt;font-family:'Segoe UI Symbol',sans-serif;"><ix:nonNumeric id="F_9fbdd1ff-a6af-40cb-b28b-3213cf3051cc" contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a" name="dei:SolicitingMaterial" format="ixt-sec:boolballotbox"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#9744;</span></ix:nonNumeric></span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</span></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:6pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p>
   <table style="border-spacing:0;table-layout:auto;width:100.0%;border-collapse:separate;">
    <tr style="visibility:collapse;">
     <td style="width:4.16%;box-sizing:content-box;"/>
     <td style="width:95.84%;box-sizing:content-box;"/>
    </tr>
    <tr style="height:9pt;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:left;"><span style="font-size:9pt;font-family:'Segoe UI Symbol',sans-serif;"><ix:nonNumeric id="F_eb304c10-c622-4ee7-9612-43e64527cfda" contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a" name="dei:PreCommencementTenderOffer" format="ixt-sec:boolballotbox"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#9744;</span></ix:nonNumeric></span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</span></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:6pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p>
   <table style="border-spacing:0;table-layout:auto;width:100.0%;border-collapse:separate;">
    <tr style="visibility:collapse;">
     <td style="width:4.16%;box-sizing:content-box;"/>
     <td style="width:95.84%;box-sizing:content-box;"/>
    </tr>
    <tr style="height:9pt;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:left;"><span style="font-size:9pt;font-family:'Segoe UI Symbol',sans-serif;"><ix:nonNumeric id="F_9a81ba7d-73d0-4b33-b58e-f956163e7389" contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a" name="dei:PreCommencementIssuerTenderOffer" format="ixt-sec:boolballotbox"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#9744;</span></ix:nonNumeric></span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</span></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Securities registered pursuant to Section 12(b) of the Act:</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:6pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p>
   <table style="margin-left:auto;border-spacing:0;table-layout:auto;width:100.0%;border-collapse:separate;margin-right:auto;">
    <tr style="visibility:collapse;">
     <td style="width:33.88%;box-sizing:content-box;"/>
     <td style="width:1.2%;box-sizing:content-box;"/>
     <td style="width:31.9%;box-sizing:content-box;"/>
     <td style="width:1.18%;box-sizing:content-box;"/>
     <td style="width:31.84%;box-sizing:content-box;"/>
    </tr>
    <tr style="height:7pt;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:0.75pt solid #000000;padding-right:0in;"><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Title of each class</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:0.75pt solid #ffffff03;padding-right:0in;"><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:0.75pt solid #000000;padding-right:0in;"><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Trading Symbol(s)</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:0.75pt solid #ffffff03;padding-right:0in;"><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:0.75pt solid #000000;padding-right:0in;"><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Name of each exchange on which registered</span></p></td>
    </tr>
    <tr style="height:8pt;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:center;"><span style="font-size:8pt;"><ix:nonNumeric id="F_4d07d74c-dbf0-4ea3-89f9-7d0cdf36b502" contextRef="C_7c494cf2-043c-45dd-a9e9-05add6926903" name="dei:Security12bTitle"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Common stock, $0.0001 par value per share</span></ix:nonNumeric></span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:center;"><span style="font-size:8pt;"><ix:nonNumeric id="F_73187bb6-9ab0-448a-8e4d-66856e9cb157" contextRef="C_7c494cf2-043c-45dd-a9e9-05add6926903" name="dei:TradingSymbol"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">ALTG</span></ix:nonNumeric></span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:center;"><span style="font-size:8pt;"><ix:nonNumeric id="F_e8dc3a91-652e-4468-af24-c96065874e58" contextRef="C_7c494cf2-043c-45dd-a9e9-05add6926903" name="dei:SecurityExchangeName" format="ixt-sec:exchnameen"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">The New York Stock Exchange</span></ix:nonNumeric></span></p></td>
    </tr>
    <tr style="height:8pt;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:center;"><span style="font-size:8pt;"><ix:nonNumeric id="F_673e7781-9d25-4822-92f8-aeec41d765db" contextRef="C_67541116-813a-4087-9b27-175bb0c68c8c" name="dei:Security12bTitle"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Depositary Shares</span></ix:nonNumeric></span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:8pt;font-kerning:none;min-width:fit-content;">&#160;representing a 1/1000th fractional interest in a share of 10% Series A Cumulative Perpetual Preferred Stock, $0.0001 par value per share</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:center;"><span style="font-size:8pt;"><ix:nonNumeric id="F_370aa2a2-0863-4b0f-9f25-ee4c46c593d9" contextRef="C_67541116-813a-4087-9b27-175bb0c68c8c" name="dei:TradingSymbol"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">ALTG PRA</span></ix:nonNumeric></span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:8pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:center;"><span style="font-size:8pt;"><ix:nonNumeric id="F_1fc17536-34f6-4aac-8bc1-1bef3eb08c17" contextRef="C_67541116-813a-4087-9b27-175bb0c68c8c" name="dei:SecurityExchangeName" format="ixt-sec:exchnameen"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">The New York Stock Exchange</span></ix:nonNumeric></span></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (&#167;230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (&#167;240.12b-2 of this chapter).</span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:right;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Emerging growth company  </span><span style="font-size:10pt;font-family:'Segoe UI Symbol',sans-serif;"><ix:nonNumeric id="F_86fa5515-6e87-4483-a858-da381ff717e1" contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a" name="dei:EntityEmergingGrowthCompany" format="ixt-sec:boolballotbox"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:'Segoe UI Symbol',sans-serif;font-kerning:none;min-width:fit-content;">&#9744;</span></ix:nonNumeric></span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  </span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:'Segoe UI Symbol',sans-serif;font-kerning:none;min-width:fit-content;">&#9744;</span></p><p style="font-size:10pt;margin-top:0.75pt;font-family:Times New Roman;margin-bottom:0;border-bottom:1.5pt double #000000;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:6pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p></div>
  <div style="z-index:2;flex-direction:column;display:flex;min-height:0.5in;justify-content:flex-end;position:relative;"></div>
  <hr style="margin-inline-start:auto;margin-inline-end:auto;page-break-after:always;"/>
  <div style="z-index:2;min-height:0.5in;position:relative;"></div>
  <div class="main-content-container" style="z-index:5;position:relative;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Item 8.01  Other Events.</span></p><p style="text-indent:4.533%;font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">On July 2, 2026, Alta Equipment Group Inc. (the &#8220;Company&#8221;) issued a press release announcing that the Company&#8217;s Board of Directors has declared a dividend of $625 per share of its outstanding 10% Series A Cumulative Perpetual Preferred Stock (the &#8220;Series A Preferred&#8221;), with the record date for the dividend July 15, 2026 and the payment date July 31, 2026. This will equate to a dividend of $0.625 for each of the outstanding Depositary Shares representing a 1/1000th fractional interest in one share of Series A Preferred. The Depositary Shares trade on The New York Stock Exchange under the symbol &#8220;ALTG PRA.&#8221; The full text of the press release is filed as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:12pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Item 9.01  Financial Statements and Exhibits.</span></p><p style="text-indent:4.533%;font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">(d) Exhibits</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p>
   <table style="border-spacing:0;table-layout:auto;width:100.0%;border-collapse:separate;">
    <tr style="visibility:collapse;">
     <td style="width:10%;box-sizing:content-box;"/>
     <td style="width:2%;box-sizing:content-box;"/>
     <td style="width:88%;box-sizing:content-box;"/>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:1.5pt solid #000000;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Exhibit No.</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:1.5pt solid #ffffff03;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:1.5pt solid #000000;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Description</span></p></td>
    </tr>
    <tr style="height:11pt;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">99.1</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:11pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><a href="altg-ex99_1.htm"><span style="color:#0000ff;white-space:pre-wrap;text-decoration:underline solid;font-size:10pt;font-kerning:none;min-width:fit-content;">Press Release, dated July 2, 2026, of Alta Equipment Group Inc</span><span style="color:#0000ff;white-space:pre-wrap;text-decoration:underline solid;font-family:'Calibri',sans-serif;font-kerning:none;min-width:fit-content;">.</span></a></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">104</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Cover Page Interactive Data File (embedded within the Inline XBRL document).</span></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">SIGNATURE</span></p><p style="text-indent:4.533%;font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p>
   <table style="margin-left:auto;border-spacing:0;table-layout:auto;width:100.0%;border-collapse:separate;margin-right:auto;">
    <tr style="visibility:collapse;">
     <td style="width:48.98%;box-sizing:content-box;"/>
     <td style="width:3.06%;box-sizing:content-box;"/>
     <td style="width:1.02%;box-sizing:content-box;"/>
     <td style="width:46.94%;box-sizing:content-box;"/>
    </tr>
    <tr style="height:9pt;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:12pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td colspan="3" style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:9pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.519%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">ALTA EQUIPMENT GROUP INC.</span></p></td>
    </tr>
    <tr style="white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:6pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td colspan="3" style="padding-top:0in;padding-left:0in;vertical-align:middle;padding-bottom:0in;padding-right:0in;"><p style="font-size:6pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Dated: July 2, 2026</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">By:</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;border-bottom:0.5pt solid #000000;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">/s/ Ryan Greenawalt</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Name: Ryan Greenawalt</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.148%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Title: Chief Executive Officer</span></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p></div>
  <div style="z-index:2;flex-direction:column;display:flex;min-height:0.5in;justify-content:flex-end;position:relative;"></div>
  <hr style="margin-inline-start:auto;margin-inline-end:auto;page-break-after:always;"/>
 </body>
</html>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>altg-ex99_1.htm
<DESCRIPTION>EX-99.1
<TEXT>
<!-- DFIN ActiveDisclosure (SM) HTML Document - http://www.dfinsolutions.com/ --><!-- Creation Date :2026-07-01T16:24:20.5752+00:00 --><!-- Copyright (c) 2026 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<html>
 <head>
  <title>EX-99.1</title>
 </head>
 <body style="padding:8px;margin:auto!important;z-index:0;-webkit-text-size-adjust:100%;position:relative;">
  <div style="padding-top:0.5in;z-index:2;min-height:0.25in;position:relative;box-sizing:border-box;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;margin-left:0;margin-right:0;"><img src="img202994375_0.gif" alt="img202994375_0.gif" style="width:131px;height:58px;"></p></div>
  <div class="main-content-container" style="z-index:5;position:relative;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:8pt;text-align:right;"><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:11pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Exhibit 99.1</font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:8pt;text-align:center;"><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:11pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Alta Equipment Group Announces Preferred Stock Dividend</font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:4.167%;text-align:center;"><font style="white-space:pre-wrap;font-size:11pt;font-family:'Calibri',sans-serif;font-kerning:none;min-width:fit-content;">&#160;</font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:11pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">LIVONIA, Mich. &#x2013; July 2, 2026</font><font style="color:#000000;white-space:pre-wrap;font-size:11pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> &#x2013; Alta Equipment Group Inc. (NYSE: ALTG) (&#x201c;Alta&#x201d; or &#x201c;the Company&#x201d;), a leading provider of premium material handling, construction and environmental processing equipment and related services, today announced that its Board of Directors approved the quarterly dividend on its Series A Cumulative Perpetual Preferred Stock in the amount of $625 per preferred share. This will equate to a dividend of $0.625 for each of the outstanding Depositary Shares representing a 1/1000th fractional interest in one share of Series A Preferred. The dividend payment date is July 31, 2026, to shareholders of record at the close of business on July 15, 2026.</font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><font style="white-space:pre-wrap;font-size:11pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:11pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">About Alta Equipment Group Inc.</font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><font style="color:#000000;white-space:pre-wrap;font-size:11pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Alta owns and operates one of the largest integrated equipment dealership platforms in North America. Through its branch network, the Company sells, rents, and provides parts and service support for several categories of specialized equipment, including lift trucks and other material handling equipment, heavy and compact earthmoving equipment, crushing and screening equipment, environmental processing equipment, cranes and aerial work platforms, paving and asphalt equipment, other construction equipment and allied products. Alta has operated as an equipment dealership for 42 years and has over 80 total locations across Michigan, Illinois, Indiana, Ohio, Pennsylvania, Massachusetts, Maine, Connecticut, New Hampshire, Vermont, Rhode Island, New York, Virginia, Nevada and Florida and the Canadian provinces of Ontario, New Brunswick, and Quebec. Alta offers its customers a one-stop shop for their equipment needs through its broad, industry-leading product portfolio. More information can be found at </font><font style="color:#000000;white-space:pre-wrap;text-decoration:underline solid;font-size:11pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">www.altg.com</font><font style="color:#000000;white-space:pre-wrap;font-size:11pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">.</font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:8pt;text-align:left;"><font style="white-space:pre-wrap;font-size:11pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:8pt;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:11pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Contacts</font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:11pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Investors:</font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-size:11pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Kevin Inda<br>SCR Partners, LLC</font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="color:#0563c1;white-space:pre-wrap;font-size:11pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">kevin@scr-ir.com</font><font style="color:#000000;white-space:pre-wrap;font-size:11pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"><br>(225) 772-0254</font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="white-space:pre-wrap;font-size:11pt;font-family:'Calibri',sans-serif;font-kerning:none;min-width:fit-content;">&#160;</font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</font></p></div>
  <div style="z-index:2;flex-direction:column;display:flex;padding-bottom:0.5in;min-height:0.25in;justify-content:flex-end;position:relative;box-sizing:border-box;"><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:center;margin-left:0;margin-right:0;"><font style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">1</font></p></div>
  <hr style="margin-inline-start:auto;margin-inline-end:auto;page-break-after:always;">
 </body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>img202994375_0.gif
<DESCRIPTION>GRAPHIC
<TEXT>
begin 644 img202994375_0.gif
M1TE&.#EAF &V /<  /___P  ,P  9@  F0  S   _P S   S,P S9@ SF0 S
MS  S_P!F  !F,P!F9@!FF0!FS !F_P"9  "9,P"99@"9F0"9S "9_P#,  #,
M,P#,9@#,F0#,S #,_P#_  #_,P#_9@#_F0#_S #__S,  #, ,S, 9C, F3,
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MS)F9_YG, )G,,YG,9IG,F9G,S)G,_YG_ )G_,YG_9IG_F9G_S)G__\P  ,P
M,\P 9LP F<P S,P _\PS ,PS,\PS9LPSF<PSS,PS_\QF ,QF,\QF9LQFF<QF
MS,QF_\R9 ,R9,\R99LR9F<R9S,R9_\S, ,S,,\S,9LS,F<S,S,S,_\S_ ,S_
M,\S_9LS_F<S_S,S___\  /\ ,_\ 9O\ F?\ S/\ __\S /\S,_\S9O\SF?\S
MS/\S__]F /]F,_]F9O]FF?]FS/]F__^9 /^9,_^99O^9F?^9S/^9___, /_,
M,__,9O_,F?_,S/_,____ /__,___9O__F?__S/___P    8&!@P,#!,3$QD9
M&2 @("8F)BPL+#,S,SDY.4! 0$9&1DQ,3%-34UE966!@8&9F9FQL;'-S<WEY
M>8" @(:&AHR,C).3DYF9F:"@H*:FIJRLK+.SL[FYN<# P,;&QLS,S-/3T]G9
MV>#@X.;FYNSL[//S\_GY^2'Y! $     +     "8 ;8 1PC_  $('$BPH,&#
M"!,J7,BPH<.'$",":!.I(L6+D3!JS,CQHL&*("V"I"A2Y!R)!$>J+,F1)<F6
M,%_*7!F3YDR7-G/BW%F3)<J$,S<*[<CQI]&C2),J9:BSI].7(#_RO-GR:*0Y
M3YM2W:JUZU2O6;^*7 H +%><9-.J7;L4:MBW5*,6-+O2*M:S<.F*S;L7;]RK
M9$/VU5N4K>'#B 7R=2K2K^!(4A>33+PVI..0E-5*)LPUL^?/#3FKQ#IWL.#(
MEZN"3FH9;,75$5N;AEEZ,^S;B1^GELETMMR4LR?C_BG[[>OAD47_3B@:N7/B
MNW.B)+Q<<?#CSQ\6QXM]M9O-:"4V_\].WF!TEB!M*:7>W3KX\@ZW-VUOF-9Y
MF-6-CH<_7'E,PVSX1I]R_/4F(%O^O738?@4FYM9]%"V4H'_Y$=@@<^PE]9U\
M?;6A$(?@V79A6O91F)&$@D$XX6FUG3<B0B#^%9N*):$8XXIYO:C?=:WQQQYD
M+>)(8X@S)9<:?0398B*2R#&H(X8W3O7DCZ@):>57\64HD%LA OFBDT^&*>:8
M9)9IYIEHIJGFFFRVZ>:;<,:Y%@(()%#GG7;FB>>>>O;)YY]^!@KHH((62NBA
MAB:*Z***-LKHHXY&"NFDDE9*Z:66VIE9 9EBZFFGH'XJ:JBDCFIJJ:B>JFJJ
MFL[)ZI\(M/_3D#XS")"G  _<PU B+/CI!4'T/("G( 1YT2N>5_@ST"Q\)H!(
M0ZVTT&<+K104[:T/\%.0/H&:TI @"=A:IP"_$M1/%'E>,<NRTMY9+D/@BENI
M #-HF] L\?:90"+0MGMK L0N="V>Y!*4SPSC DP0(L?F.8-#7JB:U*N.QKJK
MOW6VL*Y L\P0KIT/#T3KGN\"$.RPQ39<9[++-OOL0OU$/&VU RE[4#\V \ M
MG]XNI(.\XY:<3S_W8MRGNLMZ/.H5!+620 ),&V2*L'GNR]#!?+*P,0"S7/$Q
M O4.U \-! N-\,<!"\1PGR$O=,_9ID:TJJ<67UWKM"\K-+*O]M[_+#.?+'/L
M,D'@,DHM05X#;:<7.>_<9\\+Y1LTL%\_D ]!LQB-[-8=HVKK##0?A._75?,[
MD#MY:DP0/W?CJ7!"];3NYPSZ).3/WVPWK3G%""C$^^]S R]\\,0/;WSQR!^O
MZ$"*)^^\\L]'#_WTTE=/?:IRLKDAD8]5:9I5/'(?_I#DCT36)59F3V8VNN%8
M(8_@BR]_^>-W%1A&]8>G?H/SNS8@_/JA7UY4)$#NI*5_@]E?=H8$$EJ414!>
M&HB%QA2EFHB)@8!YH(@4^)FKR"^"P%G,^]Y#I@H6J4 X@E)T.+B@%'$&$MJ!
MH/?X4B83JN0Y[0N.>K*T019:!8,@C(T,_X/TO1*"*3?E\]".>NC#ABBI?A$Z
MX!!#Z"(C7@<Q20PB4H[81 FZT#<+*:#_@CA!,=EP+$OQ(/ELA, <=;$L&&3C
ME43X/Q)2D(NAB>.'\-?&%>[OC/C)CU1>@K['%%(PAPQ)(HERI#JJZ"ZCJ0DD
M32+)2LYDDC%QH :9"*4N,2E)%%ED1409"5*:LI1JI,N;B!*^':)00"<A8A_G
MV)E.^E&6]\G&A?"HH_P5)DRL-$X&J4C+.5I$B!#\HF2L>,LW.O.9T(RF-*=)
MS6H>YGK6RR8VMZG-;G*S5*OQICB_.<YRDO.<Y40,Z8+W-!8\H)WO3( [G]:\
M:3U 6O7$TSSE&?^H?0+*G_V,YSX;EL\$2,N=A!IH0.')4'E2K5D._9- %^K0
MAKIS=Y2RU=-:<,]&#72B"3-<1Q&ET*S%\Y\"!2GOR%+0N=5-((G :)^T)A!_
M=.UK@0, UO14LGH\5&$V,]:_<LHL?0DB9X*@4[A*]C9Y'0X .>.:M/I&$,?A
MJ1[%8I0  A95 ( +:1S#* + RC6$+0US'I-70?>5LW;<JF16E2?-;%JX<,T@
M9ZPKF\'@!E2U$30!;0/ P!#P5&4E-6XH46HW7PJ F") K8+:F++F\3JH#N0>
M?2K80%@G@,?2SK( P)VMB-JLHP[DL(TJ+ "\MHZ:Z0 !C!-9H+ Z$"__=!:R
M?-IJ3;VZU-VR2U!CY9Q92:4ZCK7CL80UG4#J6B>VGLZ@K6@<7^O$ M,I"[/B
M,JU =NJNG(V-3KBZG,T$\=? #FR=KW((.C/[KY"BEU M;51\"98HW,ZKONUE
MKWOM"ZCX^C>_YN0O@/'[J?GFU\"B.@B"UVO.!C/XP0Z.,(0G+.$*4_C"%LZP
MI:S)O\=X^,,>-D@M0$SB$RVQQ"A.L8I7S.(6N_B8;7GQASE<'AF7^!(BMG'\
M;,SC'OOXQS!<SX^[1^/^Y%"9Q4ERCFF29/,%T,-<"B1ZF$SE*5M9REB.LI:A
MS.7 7'G+1\9,D5>#E2&3&,<%&;&,=VSF-KNY_\>:%/*;B3QFRB"YREGF<G[4
M_&4HLWG.*08SH%E,EC+K^<Y]IG.=*S/H&R_YQ64BI8K/A.5&?W+1Q,&SH)N<
M:/KP.<^ZB32BL3PF6VP:SQ4Q=*?%C.FC;,_'7GPQF@GRZ1:+>LV]_#%IW./B
M5F<:Q*=&$JB1_.AA6^;6F@[Q+L.,:D&..LJ^?@@DAJQ$&,EXU@.I-:')).D4
M^\C,'\)UM($"[$-;A@UY-#>3BQUL$X]ID>TFCZJ-;1,>KEJ0T8ZRN.W=8FP+
M1-LK1G:OC>SC*,80TN/F];.Y[ ;HJ!L]['ZXN\4$;XG?9N%'-KAX.$UJ7Y?H
MQZRY=K%MS6T=>\;,U?\^,<GK_.%VLYHU[89*Q)D-XW=CG$583#:SVX#N-'(<
MVD4&-Z-E/?)MVWS?:0G0D!&$]&A*?--A?+K4PSSS9PN<WI>>SKV_K)!$QGSJ
M.(>FOA&.D+%;&B3^!@# )UWRIO^ZQRD_R-E1#$W&Z!S?L?XYV/6^9[ZGZ.KQ
M-@H=RDWS7UH;ZX@/O _;K)"USQW$:7<\W=M.=HA4NL5QEOOCC?['NS<Y[LG9
MO.>K_G/ 6_PA7_]P+#OY>,7'Z=4]KK'):2WZVA>DVY,/]X]!3_"!KY+$KJ]Q
MZB?^;[\;W_/([S-"*EYXUF\][+)/OA;-A/(OS3[;M1\T0W!?XMJ ?$37-]/_
MV%UNQN&#_M/#/_[SQPX1YH]:X8EW\I34/_U>EJ^&@"0C(,58Q(A@DO]V5T/W
MD7 $6( &>( (F( *N( ,V( .^( 02"9/HV$4B&$66($8Z"C(<8$<F($>V($@
M>">W\8$D&((F6((1]ADH>((LN((NB$V4T8(R^((T.(/#8QB*Q3L(X Z@U8.-
M\U-W,@/TX(-J@U'EHBSUT )W@@"T!56XLS*2553Z9%TU4S.MX#5\0BT_F(62
MI3-^\@!8E3-B>%I^HET @ \_Q30V,PLJ<X15Z%L T ^R<RDS@ ]$V%A8.%-4
M"(?^<(6&\@"", MC" "(D(=Z95G<55G^D B \X8]_]@/@B!3EZ(6T;.#H'6%
M#S #,] "F[B)?H((WB4S8*4L]. KNT4/2F@G"#"$-?6$4!.%64.%D<A15\ /
M.7,RJ1-=5:@/5*,Q8Y@/7SB$X^5.FLB)G*@R=F*&0;4RH,6&;+.)#Z N-M,/
M5Y"),X",D-("MC@0.[4.H_-/LMB)TC@0]5"&H2@MHP@ Y7B(RH(/?)4VB]B(
M-=4UG4@L-N,/AA@J2L$IU6.)@PA::X,GOEA32@,RN[4W[G**J4@GK.B$@ .+
M,_4RRL(/B% /B: M.?,.,_./_="%!QF,=PA:7= \RFB%LF(S_("-#B.(')./
MF**& M$*O7(%%9D(%FF1J/\SA0=IDXE -&TU+=L(588X SX9AU? CCKUCC7#
MB$=3,[-P#S:IBVOHDIUR%-SDCS%Y!9HX UJIB5QXCU@X _- A0BY. JYA UY
M.P\YC[&X6_W0"OC0"E I"-.5BSES!::5,^X06\H"C'OR ,*H-EO)E9HH*&88
M+('I6\X(*$0YE:@"DU(%6(A #W-E,GJX6_D@"'W3A[LSD%#E5N,2,A-Y!6KE
MANZ(,C7%E,CBE/G0"JUY#XBP#D (3A)13E@I$!V9F[. ,Z>I)SDUD3[8-3F(
M (#YB"R9,VBXEE EA7G" A+I5<-9*%HX$%0)6Q_YEXD9A[NYG3B3DWIRF%23
MC@#_D)*%,@,LR375:2FQ=9#G"56M4)#4)8MV\@"ULX::0Y15R _M:5-'R2?V
M*#:[V8/\,)M1LYR2B#T.L6#/,P."( A>T* ."J$/*@CM,)M!N X0ZJ SX 7\
MD%2%@BM7\*"(X*#52"@;*J%_H@,9FIY_\J 3"I]ZPJ 0"II'TZ 3&J$VVJ N
MB9<0ZI(NZJ"$T@(_Z@4'2H?M,*(V*HDW2I<QZ@X9ZHH7^J0PVE_1**(D:J&I
M<Z-$>CP,88,U^*5>&J;BA! +*:9F"J9H>J; 4Q!IVJ9JZJ9PBJ!O.J=Q6J=T
MNF$1J!:7  GHLZ>C-&VE!*A^&JBCE!]]BDJ'=*B)BG<-_W&HA>JHB(I*CRJI
MD;JHD*JH:!>IDVJIE(JIFYJIEZJIE8IV?%I*A8:H@IJJ?[JJA)JG@5&J>]JG
ML#JKLEJKJ&00L1JHMIJKO!ID/]&KNTJKNCJLP$JLPEJLR'JLRAJLS&JLS<JK
MYT.JS[JLINJJ2$$+TDJHQOJGLCJIN*JMO<JMVGH4P2JN@QJNVYJNZ+JNLVJN
MJ=JMZMJN\0JON;IZ2<&N]"JOX6JM1T&MR?JL0?2OSAJHY.JO!CNM"#NP KNP
M!ZNPQUI_$>$&#<NP?<JO*/&NG0JKV9JH&DL?N[JQI)IU"W&I'4NL(&NN)VNR
M*+NR*MNRO)JR+^NN@4&R-)NQ)/\+L18;&13KL!^+JQ,[JP6;L#L[M#\KM$7+
MLP2;1D:[M-6:L[V!K^"JK_IZJ[<7M?D*K^0ZKU:[M><JM5?+M1C;M5\KMF K
MLTI;MEI+MG[JM"-;J4>[L '[MKZ*$D3+M'6+M'>;MWP:K7HKM&QK;9[JLB4;
MLRW[K81[N(":M1Q;LXMKLX[;N) +LX,[N8P+LFEG%)7+LHA[LW_[$8HJMT(;
MMW8[MQ+!KJS:M:>KJE'KKD:;NJZ[NK KME[6MW@+JYTK09_KKKJ;MH)*M00Q
MMF&;N&2R"\"[LFB"ME"KML&+LQ&HL;0[M*);N[):0WEK)LX+NM+;M$X;N)O;
MJ9FJN27_:[B4F[$B^VV"&ZJ7"WZ?F[GG^[@AR[;*&[J0D;?12[34^[;OAKVQ
M"@#QJ[ YF[S+2ZD"4:[JZKL#4;SIBG_(V[%ADJR[&[->I+RZRZ]*,KJ0^KMO
M6[\_>[]VJR//F[0#C+^NVKO@B[X!Z[XL*[[L.Z@*W+V6^B4?6\("7+4N+*UY
M&KRABSZ9=\ 9[+.CR\'9F[[/H;\&C,&LZ[\/B*H/[+7:2\-,?*Y%S+\+C+56
M),$J^TJ\B[+HPWO68<7[ZH 67*DCV\.W)[= /+3P0<05VW4BO("%*L.-:Z\)
ML<+AZ\1T7+[P(;GH*WLUK,5-O'SMN[AN',0/ZQ#TZ\.$?,83_YL=80RMAHS#
M2'R ;YS%QMI^E'RHXKO$5'Q'4RRISJ')8(O),>3%[7J 2."V/QP1AUS&J4Q!
MU8L;H82JK?P0KTR J(S")JM+I8O+A*O"O"R\G-S'B'H;V,J]XXNIOQK(-IQP
MMTRTEH"Y9(S!LPQ,M=Q!ZTO(.]Q^D(RLX^:PH+R_BOO$O8L^F4S)+1S $&S-
M2GS)T[9%G;RVOO:\[7ROT<S#TSPEU8P8S5RT2I'/138'8:O'A)K-R1RY*6S'
MOXS'T2?,:YP8BPK'H,JWQ[S,8_;!Y'P^]1S"]]Q+_JP9V]RP:=&_W%QDM(#.
M3\RH!2W.WNK$WPS,9I2Z8ZO0XJ'2!?]\T5)$RMU:9&H<"01-SW:KP4:KR'[+
M%CMM&!U==Q#MQSB+J4P]J@^MS!X+U>-:Q1/]J$-GT"Z+2EPL$+3PLDW=U$FM
MJ]74U82\JV-LPIR:UA,+U+4KU'@K166MK1#;U>/LO6@MRV\]300,P.@CQQ^A
MK"T=V)%:S@ LT]D1LFEKV F!K>^LND*LT8TMV%^,U-<\M#VM&/I+Q(ALOR5T
MU*H<U[S:<\OWT8WLK] D#%)]N#@;T&'-T'7\NZGMTL#4VG\L1%CMPJ1;$'A0
MU;%-QX^M/OL<U!]2VL0=Q7KKU@MK% %2V1NL>_+<R&]TO9(]SX=7V.R,P*(,
MVS@]U<%LTH[_2AS,W=(VLMWD[=VMNGC,W;IM^]R@K;&;W=RNW,;2EMZU"[$;
MF]G0S4*NO<==Y]0F^[$ WMLSK-V\S<)4O<*US1R5+="%M-YXO> ![M6]S4$B
M?;"7K1CTS=[0^]X_'>'.^]\@+N$B+J^8@.'R?=;MO=3M7=PCG3T C=U3:]/.
M@176?4B$3=,CSM0?GN/-_. /'F>(G;SEZ\!9?.&@ =-EFSTE?<1P*^//<=RL
MO.)2KN&U,!>>#=FT"Q]7CB8DG-HH?1N^/> '+."W7>!F7KER%\-9+<2,3>91
M_.03_GN@C4I&CAM0+LU3CM]SKN G/A"DK;!OSLA_[LAL$N0X7JI;_PWG-5ZJ
M-P[CCA[9B3W>YMW@!3'IK,W3X!?9A<[D_HIV'FS&4:[A>LZPH5'-#[[6#7TA
M6_XD80ZY#?S+%XS09=[J#,[@N0TE#%VMC+W?8LSJ<4YI4[X+% ?J>"[J++ZL
MEE>]+)Z_G&[69O+5_LV]S*OET5[MAEOMT)[MV+[M8"T>V@[6W.[?HU3E=_3M
MO2YJ<] &L<JG[+[N[M[NY$XFV/KB[5[O[WX)NG 0M)#N]V[O_M[O /_O M_O
M2Z ?D$#O ;^G-'X5 ]_PNR;O!]_P]WZ[%%_Q%G_Q&)_Q&K_Q'-_Q'O_Q(!_R
M(C_R)%_R)G_R*$_QG45=S=GR+/_R_ 3S#?\S\RX?\S9/\S)?\SA_\SK?\SG_
M\SP/]#L_]#X?]$9/]$)?]$A_]$K?]$G_]$P/]4L_]4[/\]FA5%0O]56?]5'?
M]5S_]5L?]EH_]EXO]F5/]F"/]F:?]F??]LZ!]7!/77$O3W// G5_]W*?]W2O
M]W;/]WB_]X#?]X'_]X)?^(1_^'Z?^(.O^(;/^(B_^)#?^)'_^))?^91_^8Z?
M^9.O^78_''%/)XH%^J"OBJ*_A*5/^J*/^J-?^J%_^JQO^JG_^JK?^K'/^K,/
M^ZMO^[*_^[K?^Z[O^[7_^\(?_,2?^\-O_,5/^\B__,K?_+CO_+<?_;Q__$IU
M&P7 ^9B_^=IO^=C_W_W;G_W<__W>'_[D#_[F/_[G+_[J7_[H[_BP02=]G_S/
M/__2#_S,3__3+__U3_WX;__0G_\ @4!@ H$%!QHL2! A H4(&QI\F' APXD1
M#RZT2!%C18X;/3KL"/(CQ) D1P) F5+E2I8M7:H4R&*@3(8T$]C$.5-GS9TW
M>^;D&=2G4*!#C19%^E,IT:5'FR9E&M6I5*A3K5;%^E0KU:U7NV;ERO7E6+(N
M)UX4F=:D6HDCV[)%NU;NV[EQZ=ZUFU<CW+UU^^+]JS?CX)* ";L57#@QXL"-
M#SLL&[GL38)>PUK&##;S5\Z7-7_NO-ES:-"C38M&73HU:0227;-\[#?C_]FS
ML6GKO<UX=FZ_M7G_9@P<MW#;PX,35TQ[-_#E?(OW?1T=@>JJ"+KDTX<O'[[L
MV[OC0U04P8PKB/+QT\=OWA6:/:]DSRY()DTO^;ROJTQSQCWO]78^<,<[[;C3
M3IXNQ)M!GN\.[&D= 1$):CI!"!2PPGP8U*B=[;:;(2$6]H./G@<2>H]"$[_3
MYPK6*)IA'?/04P_#_^"!;\#N!,FAN@3*.R^]>@YL:"@$KGAP/H&\L/&=$8>:
MP48G$7%G!NJ4BDXR 9)[KB$O(NM'!I)FT&<L?CI<"!Z5PCL($94$&=&@+OQ)
MB9\V*7J GK)F41&A&?)9R9V'6!!DI7[:8D'-LO\$64B>E=YIZ,V4]"%3H"LD
MRR=2YQ#JHI^Q]/%2H@?NN3//+T%]J1]1#7I'I5DZ%2C0E.J94Z 9(D/3,2RK
M+,O#%:U"8$L X/1GEAZ%1:]6G];Y-4Y]\ID%3I3X\4(H,U'R!TV:$'$6 'CR
M$RC3.+E%H,Z4X-1GEC"I12G:@\!,EMIH%3(S6W_XB;!0=/LQ%SUBH=4U4'EK
MO0)8 .0TZ(I^RLW''X&#[;$+72\+5]%L]5FV60 $"9*F3\?UI]QSV_7")DG;
M!>!@?"RF%E$AW1EWS.D$PO95<&>0]^"#QP4 TH=7P_4ED1>[="$OLL7'TK0>
M^+C:A.9IEY^?IT6I5IC_T643TVP)-DA<9P6Y4J!4'[5T3YQ1<J?5;%,:%*%"
MLWWGMH<41??9#G.8N,.,9N ';.62HQEM=0628<Z(-G8VY(+@1JF?]L(E]==\
M#&+9V5G*N>CK9\DQR% X8=53)9=EY3/EH-7JF:6=IY1* %_)%<0=+][QPO4K
M!!]/4SC[R:'@<?OIT":HJS42@9A1@F=)FKQ%21]PQ:4V/"F;;-?8\<*4-UVF
MX_Z57B'M31:?V%__OO>+_!T;@"L"3O9SH6I//]+5:NH"79UO>OY#%EH(:N.4
M6WC@0^I1RH?(\)8L?_QM2!Q347M81BV=72M;]9A9W3XD@Z$1T M=>Y]/2@>3
M_[UD"4L%\=58.&>0 28N;*HR!T*@!@#I&0HE57/3U6C'/++HC(2A>TW:-,*]
ML:AC(HAK23_JEI82YLQH'NQ6MO)!D/BQ)( 'T1]9*H40I*'-807I&TKPA!#+
M#8Q5"' 52D:(1<G, VBRV2  =J6:7J$K6/JP&1QAR"+;E2Q2#Y@4M7AGE-]9
M"V;9VE90D#>PY=D)>Q,+F5&F%[V\Q6T6U\M>O317,G/%T50OXPGY6&BYZF%-
M* (8()S4ET$6-)%<(UK=N/S(N/(IT6X"S-OM#'B%65#+'PDLR *S)S[A/3""
MK7S5*]?8FI[UY(.ZF4@%45*TO0GD 8TL6;2@%S>G7?]DA5)# #ZH%BOKR)"*
M=G*6\V8@I8^(C5I=D(&F4E*I)B9N(6M+2=F:*1#$ :^(0[P;-%-D*\9DT8@\
MZ2*$L@:JPO5*8  PW%X>@$.E%612SKJD1KK8#\P59))CE)7G<D".<;KOF*3#
MU6E09Q35R<\+Y[M"#J[0A2N04R/@U"(\8O:O".6Q>R?M@C:SE:>A#%)Y^3/D
MKU16'785C@4)$ 0BZ"&?!""+6MIK#_?@1 _RG$^E+'6I0C1I+7UTTGT"K.,H
MV5A4+:Z#/,,KF<.&$L4"RN1W &"41!*0JFRMYPI>@";PA&0P=.7CI%>H!\EX
MJA]\CC0I55H<$D>WEA".I4O_:G-AJ0Q8D"Y TR7]N*+5XC3#H+*0;SA$Z%G:
MH1(=*H2'8T$40H H-2#^<RU%M*%A2B(#R[I$GE!L'$(=J)+)3@>2+\$H%C_F
M$G]DEH2>\R@R=?,:D0YS?:ZJGB,[=11!_,^6L0S/5'(06.S=(T] 46;)EL?=
M7T$(,XLT:D]&J\=ZA2ZZT<N)Q%"2")$YZG9?'0@H!<:[TW4& >5 1"S'E0_\
M/.P!VDS9407"M+J"ZR9>L.ZO_"$(_ 9E!O2H)<GPP2"@^--EI-2*9&)R1MDJ
MUR$_6Y]QPA55EP[G)K3[2) J@N+'9"S&AJ&Q> H"%-\ 3<8F]DO_=$/CMS2G
M?]SL_TU-D)R6'R^VQ *)3&6:.V404]FPSJUREJ]L92QO6<M=!G-SR2*;CY(9
MR$\VLY-)O&9^JKG-:88SFN7,9L7&F<YEGO.;#?,2*7^9RW_V<Z"]/.@P"[K0
MA 8THK_L$A3;6<]W/C.DW5SG/%-:THZV]*,UG6E.X_G2E3:(Z0X]ZD23VM"E
M1O6I5:UH5IMZ2BII-*@CO6E/TWK6G;YUK7$]:5WW.M>_YC6P(8*2 [C:V*EN
M-;*/O>IE)YO9RN:R&CN88[0HTIC73G&VK:UM:D^[VMVVL;?%'6YR[\S<V-YV
MNL%];FY_V]WC9K>ZWUUN=*^[WO..M[W;#6]T=]#7P08XIA3_+7!ARSK@!B?X
,P3^]<%LKG)\! 0 [

end
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>4
<FILENAME>altg-20260702.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT
<TEXT>
<XBRL>
<?xml version="1.0" encoding="US-ASCII"?>
<!-- DFIN New ActiveDisclosure (SM) XBRL Schema Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date :2026-07-01T16:24:21.0927+00:00 -->
<!-- Copyright (c) 2026 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<xsd:schema targetNamespace="http://www.altaequipment.com/20260702" attributeFormDefault="unqualified" elementFormDefault="qualified" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2024-01-31" xmlns:enum2="http://xbrl.org/2020/extensible-enumerations-2.0" xmlns:altg="http://www.altaequipment.com/20260702" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:us-gaap="http://fasb.org/us-gaap/2026" xmlns:dei="http://xbrl.sec.gov/dei/2026" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink">
  <xsd:import schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/instance"/>
  <xsd:import schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/linkbase"/>
  <xsd:import schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" namespace="http://xbrl.org/2005/xbrldt"/>
  <xsd:import schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.xsd" namespace="http://www.xbrl.org/dtr/type/2024-01-31"/>
  <xsd:import schemaLocation="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd" namespace="http://fasb.org/us-gaap/2026"/>
  <xsd:import schemaLocation="https://xbrl.sec.gov/dei/2026/dei-2026.xsd" namespace="http://xbrl.sec.gov/dei/2026"/>
  <xsd:annotation>
    <xsd:appinfo>
      <link:roleType roleURI="http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation" id="DocumentDocumentAndEntityInformation">
        <link:definition>75000 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:linkbase id="lnk">
        <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" xlink:type="simple"/>
        <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" xlink:type="simple"/>
        <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" xlink:type="simple"/>
        <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" xlink:type="simple"/>
        <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" xlink:type="simple"/>
        <link:arcroleRef arcroleURI="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:href="http://www.xbrl.org/lrr/arcrole/esma-arcrole-2018-11-21.xsd#wider-narrower" xlink:type="simple"/>
        <link:roleRef roleURI="http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation" xlink:href="altg-20260702.xsd#DocumentDocumentAndEntityInformation" xlink:type="simple"/>
        <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:title="labelLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentPeriodEndDate" xlink:label="dei_DocumentPeriodEndDate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentInformationTable" xlink:label="dei_DocumentInformationTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_Security12bTitle" xlink:label="dei_Security12bTitle"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_WrittenCommunications" xlink:label="dei_WrittenCommunications"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_PreCommencementTenderOffer" xlink:label="dei_PreCommencementTenderOffer"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityCentralIndexKey" xlink:label="dei_EntityCentralIndexKey"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityIncorporationStateCountryCode" xlink:label="dei_EntityIncorporationStateCountryCode"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_PreCommencementIssuerTenderOffer" xlink:label="dei_PreCommencementIssuerTenderOffer"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SolicitingMaterial" xlink:label="dei_SolicitingMaterial"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentType" xlink:label="dei_DocumentType"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityFileNumber" xlink:label="dei_EntityFileNumber"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityRegistrantName" xlink:label="dei_EntityRegistrantName"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressAddressLine1" xlink:label="dei_EntityAddressAddressLine1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityTaxIdentificationNumber" xlink:label="dei_EntityTaxIdentificationNumber"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressCityOrTown" xlink:label="dei_EntityAddressCityOrTown"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SecurityExchangeName" xlink:label="dei_SecurityExchangeName"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressStateOrProvince" xlink:label="dei_EntityAddressStateOrProvince"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CityAreaCode" xlink:label="dei_CityAreaCode"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockMember" xlink:label="us-gaap_PreferredStockMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_TradingSymbol" xlink:label="dei_TradingSymbol"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityEmergingGrowthCompany" xlink:label="dei_EntityEmergingGrowthCompany"/>
          <link:loc xlink:type="locator" xlink:href="altg-20260702.xsd#altg_CommonStocksClassUndefinedMember" xlink:label="altg_CommonStocksClassUndefinedMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CoverAbstract" xlink:label="dei_CoverAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentInformationLineItems" xlink:label="dei_DocumentInformationLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressPostalZipCode" xlink:label="dei_EntityAddressPostalZipCode"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LocalPhoneNumber" xlink:label="dei_LocalPhoneNumber"/>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Period End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Period End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Information</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Information [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_Security12bTitle_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title of 12(b) Security</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_WrittenCommunications_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Written Communications</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_PreCommencementTenderOffer_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pre-commencement Tender Offer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CIK</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Central Index Key</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Incorporation, State or Country Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_PreCommencementIssuerTenderOffer_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pre-commencement Issuer Tender Offer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_SolicitingMaterial_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Soliciting Material</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities Act File Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity File Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Registrant Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Registrant Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Tax Identification Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, City or Town</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_SecurityExchangeName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Security Exchange Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, State or Province</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amendment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amendment Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CityAreaCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">City Area Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_TradingSymbol_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Trading Symbol</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Emerging Growth Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="altg_CommonStocksClassUndefinedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common stocks class undefined.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="altg_CommonStocksClassUndefinedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stocks Class Undefined [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="altg_CommonStocksClassUndefinedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CoverAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cover</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CoverAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cover [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Information:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Information [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Postal Zip Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LocalPhoneNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Local Phone Number</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentPeriodEndDate" xlink:to="dei_DocumentPeriodEndDate_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentInformationTable" xlink:to="dei_DocumentInformationTable_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_Security12bTitle" xlink:to="dei_Security12bTitle_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_WrittenCommunications" xlink:to="dei_WrittenCommunications_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_ClassOfStockDomain_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_PreCommencementTenderOffer" xlink:to="dei_PreCommencementTenderOffer_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCentralIndexKey" xlink:to="dei_EntityCentralIndexKey_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityIncorporationStateCountryCode" xlink:to="dei_EntityIncorporationStateCountryCode_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_PreCommencementIssuerTenderOffer" xlink:to="dei_PreCommencementIssuerTenderOffer_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_SolicitingMaterial" xlink:to="dei_SolicitingMaterial_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_StatementClassOfStockAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentType" xlink:to="dei_DocumentType_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityFileNumber" xlink:to="dei_EntityFileNumber_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityRegistrantName" xlink:to="dei_EntityRegistrantName_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressAddressLine1" xlink:to="dei_EntityAddressAddressLine1_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityTaxIdentificationNumber" xlink:to="dei_EntityTaxIdentificationNumber_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressCityOrTown" xlink:to="dei_EntityAddressCityOrTown_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_SecurityExchangeName" xlink:to="dei_SecurityExchangeName_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressStateOrProvince" xlink:to="dei_EntityAddressStateOrProvince_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AmendmentFlag" xlink:to="dei_AmendmentFlag_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CityAreaCode" xlink:to="dei_CityAreaCode_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockMember" xlink:to="us-gaap_PreferredStockMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_TradingSymbol" xlink:to="dei_TradingSymbol_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityEmergingGrowthCompany" xlink:to="dei_EntityEmergingGrowthCompany_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="altg_CommonStocksClassUndefinedMember" xlink:to="altg_CommonStocksClassUndefinedMember_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CoverAbstract" xlink:to="dei_CoverAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentInformationLineItems_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressPostalZipCode" xlink:to="dei_EntityAddressPostalZipCode_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LocalPhoneNumber" xlink:to="dei_LocalPhoneNumber_lbl"/>
        </link:labelLink>
        <link:presentationLink xlink:role="http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentInformationTable" xlink:label="dei_DocumentInformationTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain"/>
          <link:loc xlink:type="locator" xlink:href="altg-20260702.xsd#altg_CommonStocksClassUndefinedMember" xlink:label="altg_CommonStocksClassUndefinedMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentInformationLineItems" xlink:label="dei_DocumentInformationLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentType" xlink:label="dei_DocumentType"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockMember" xlink:label="us-gaap_PreferredStockMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentPeriodEndDate" xlink:label="dei_DocumentPeriodEndDate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityRegistrantName" xlink:label="dei_EntityRegistrantName"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityCentralIndexKey" xlink:label="dei_EntityCentralIndexKey"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityIncorporationStateCountryCode" xlink:label="dei_EntityIncorporationStateCountryCode"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityFileNumber" xlink:label="dei_EntityFileNumber"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityTaxIdentificationNumber" xlink:label="dei_EntityTaxIdentificationNumber"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressAddressLine1" xlink:label="dei_EntityAddressAddressLine1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressCityOrTown" xlink:label="dei_EntityAddressCityOrTown"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressStateOrProvince" xlink:label="dei_EntityAddressStateOrProvince"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressPostalZipCode" xlink:label="dei_EntityAddressPostalZipCode"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CityAreaCode" xlink:label="dei_CityAreaCode"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LocalPhoneNumber" xlink:label="dei_LocalPhoneNumber"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_WrittenCommunications" xlink:label="dei_WrittenCommunications"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SolicitingMaterial" xlink:label="dei_SolicitingMaterial"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_PreCommencementTenderOffer" xlink:label="dei_PreCommencementTenderOffer"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_PreCommencementIssuerTenderOffer" xlink:label="dei_PreCommencementIssuerTenderOffer"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_Security12bTitle" xlink:label="dei_Security12bTitle"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_TradingSymbol" xlink:label="dei_TradingSymbol"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SecurityExchangeName" xlink:label="dei_SecurityExchangeName"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityEmergingGrowthCompany" xlink:label="dei_EntityEmergingGrowthCompany"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CoverAbstract" xlink:label="dei_CoverAbstract"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationTable" xlink:to="us-gaap_StatementClassOfStockAxis" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="altg_CommonStocksClassUndefinedMember" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentType" order="0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_PreferredStockMember" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_AmendmentFlag" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_ClassOfStockDomain" order="2.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentPeriodEndDate" order="2" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityRegistrantName" order="3" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityCentralIndexKey" order="4" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityIncorporationStateCountryCode" order="5" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityFileNumber" order="6" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityTaxIdentificationNumber" order="7" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityAddressAddressLine1" order="8" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityAddressCityOrTown" order="9" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityAddressStateOrProvince" order="10" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityAddressPostalZipCode" order="11" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_CityAreaCode" order="12" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_LocalPhoneNumber" order="13" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_WrittenCommunications" order="14" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_SolicitingMaterial" order="15" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_PreCommencementTenderOffer" order="16" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_PreCommencementIssuerTenderOffer" order="17" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_Security12bTitle" order="18" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_TradingSymbol" order="19" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_SecurityExchangeName" order="20" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityEmergingGrowthCompany" order="21" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_DocumentInformationTable" order="49.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_DocumentInformationLineItems" order="50.0" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
        </link:presentationLink>
        <link:definitionLink xlink:type="extended" xlink:role="http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CoverAbstract" xlink:label="dei_CoverAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentInformationTable" xlink:label="dei_DocumentInformationTable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain"/>
          <link:loc xlink:type="locator" xlink:href="altg-20260702.xsd#altg_CommonStocksClassUndefinedMember" xlink:label="altg_CommonStocksClassUndefinedMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_default"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentInformationLineItems" xlink:label="dei_DocumentInformationLineItems"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentType" xlink:label="dei_DocumentType"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockMember" xlink:label="us-gaap_PreferredStockMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentPeriodEndDate" xlink:label="dei_DocumentPeriodEndDate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityRegistrantName" xlink:label="dei_EntityRegistrantName"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityCentralIndexKey" xlink:label="dei_EntityCentralIndexKey"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityIncorporationStateCountryCode" xlink:label="dei_EntityIncorporationStateCountryCode"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityFileNumber" xlink:label="dei_EntityFileNumber"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityTaxIdentificationNumber" xlink:label="dei_EntityTaxIdentificationNumber"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressAddressLine1" xlink:label="dei_EntityAddressAddressLine1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressCityOrTown" xlink:label="dei_EntityAddressCityOrTown"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressStateOrProvince" xlink:label="dei_EntityAddressStateOrProvince"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressPostalZipCode" xlink:label="dei_EntityAddressPostalZipCode"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CityAreaCode" xlink:label="dei_CityAreaCode"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LocalPhoneNumber" xlink:label="dei_LocalPhoneNumber"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_WrittenCommunications" xlink:label="dei_WrittenCommunications"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SolicitingMaterial" xlink:label="dei_SolicitingMaterial"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_PreCommencementTenderOffer" xlink:label="dei_PreCommencementTenderOffer"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_PreCommencementIssuerTenderOffer" xlink:label="dei_PreCommencementIssuerTenderOffer"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_Security12bTitle" xlink:label="dei_Security12bTitle"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_TradingSymbol" xlink:label="dei_TradingSymbol"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SecurityExchangeName" xlink:label="dei_SecurityExchangeName"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityEmergingGrowthCompany" xlink:label="dei_EntityEmergingGrowthCompany"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="dei_CoverAbstract" xlink:to="dei_DocumentInformationTable" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="dei_DocumentInformationTable" xlink:to="us-gaap_StatementClassOfStockAxis" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="altg_CommonStocksClassUndefinedMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_ClassOfStockDomain" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_ClassOfStockDomain_default" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="0" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentType" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_PreferredStockMember" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_CoverAbstract" xlink:to="dei_DocumentInformationLineItems" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="1" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_AmendmentFlag" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="2" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentPeriodEndDate" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="3" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityRegistrantName" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="4" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityCentralIndexKey" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="5" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityIncorporationStateCountryCode" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="6" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityFileNumber" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="7" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityTaxIdentificationNumber" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="8" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityAddressAddressLine1" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="9" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityAddressCityOrTown" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="10" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityAddressStateOrProvince" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="11" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityAddressPostalZipCode" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="12" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_CityAreaCode" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="13" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_LocalPhoneNumber" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="14" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_WrittenCommunications" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="15" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_SolicitingMaterial" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="16" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_PreCommencementTenderOffer" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="17" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_PreCommencementIssuerTenderOffer" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="18" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_Security12bTitle" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="19" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_TradingSymbol" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="20" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_SecurityExchangeName" priority="2" use="optional"/>
          <link:definitionArc xlink:type="arc" order="21" xbrldt:closed="false" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityEmergingGrowthCompany" priority="2" use="optional"/>
        </link:definitionLink>
      </link:linkbase>
    </xsd:appinfo>
  </xsd:annotation>
  <xsd:element id="altg_CommonStocksClassUndefinedMember" name="CommonStocksClassUndefinedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
</xsd:schema>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>6
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="include/report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Document and Entity Information<br></strong></div></th>
<th class="th"><div>Jul. 02, 2026</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentInformationLineItems', window );"><strong>Document Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentType', window );">Document Type</a></td>
<td class="text">8-K<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_AmendmentFlag', window );">Amendment Flag</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentPeriodEndDate', window );">Document Period End Date</a></td>
<td class="text">Jul.  02,  2026<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityRegistrantName', window );">Entity Registrant Name</a></td>
<td class="text">ALTA EQUIPMENT GROUP INC.<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityCentralIndexKey', window );">Entity Central Index Key</a></td>
<td class="text">0001759824<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityIncorporationStateCountryCode', window );">Entity Incorporation, State or Country Code</a></td>
<td class="text">DE<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityFileNumber', window );">Entity File Number</a></td>
<td class="text">001-38864<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity Tax Identification Number</a></td>
<td class="text">83-2583782<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressAddressLine1', window );">Entity Address, Address Line One</a></td>
<td class="text">13211 Merriman Road<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressCityOrTown', window );">Entity Address, City or Town</a></td>
<td class="text">Livonia<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressStateOrProvince', window );">Entity Address, State or Province</a></td>
<td class="text">MI<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressPostalZipCode', window );">Entity Address, Postal Zip Code</a></td>
<td class="text">48150<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_CityAreaCode', window );">City Area Code</a></td>
<td class="text">248<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LocalPhoneNumber', window );">Local Phone Number</a></td>
<td class="text">449-6700<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_WrittenCommunications', window );">Written Communications</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_SolicitingMaterial', window );">Soliciting Material</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_PreCommencementTenderOffer', window );">Pre-commencement Tender Offer</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_PreCommencementIssuerTenderOffer', window );">Pre-commencement Issuer Tender Offer</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityEmergingGrowthCompany', window );">Entity Emerging Growth Company</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StatementClassOfStockAxis=altg_CommonStocksClassUndefinedMember', window );">Common Stock</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentInformationLineItems', window );"><strong>Document Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_Security12bTitle', window );">Title of 12(b) Security</a></td>
<td class="text">Common stock, $0.0001 par value per share<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">ALTG<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NYSE<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StatementClassOfStockAxis=us-gaap_PreferredStockMember', window );">Preferred Stock</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentInformationLineItems', window );"><strong>Document Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_Security12bTitle', window );">Title of 12(b) Security</a></td>
<td class="text">Depositary Shares<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">ALTG PRA<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NYSE<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_AmendmentFlag">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_AmendmentFlag</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CityAreaCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Area code of city</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CityAreaCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentInformationLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentInformationLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentPeriodEndDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentPeriodEndDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentType">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentType</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:submissionTypeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressAddressLine1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Address Line 1 such as Attn, Building Name, Street Name</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressAddressLine1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressCityOrTown">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Name of the City or Town</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressCityOrTown</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressPostalZipCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Code for the postal or zip code</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressPostalZipCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressStateOrProvince">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Name of the state or province.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressStateOrProvince</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:stateOrProvinceItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCentralIndexKey">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCentralIndexKey</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:centralIndexKeyItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityEmergingGrowthCompany">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Indicate if registrant meets the emerging growth company criteria.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityEmergingGrowthCompany</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityFileNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityFileNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:fileNumberItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityIncorporationStateCountryCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Two-character EDGAR code representing the state or country of incorporation.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityIncorporationStateCountryCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarStateCountryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityRegistrantName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityRegistrantName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityTaxIdentificationNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityTaxIdentificationNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:employerIdItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LocalPhoneNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Local phone number for entity.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LocalPhoneNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_PreCommencementIssuerTenderOffer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 13e<br> -Subsection 4c<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_PreCommencementIssuerTenderOffer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_PreCommencementTenderOffer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 14d<br> -Subsection 2b<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_PreCommencementTenderOffer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_Security12bTitle">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Title of a 12(b) registered security.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_Security12bTitle</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:securityTitleItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_SecurityExchangeName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Name of the Exchange on which a security is registered.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection d1-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_SecurityExchangeName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarExchangeCodeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_SolicitingMaterial">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 14a<br> -Subsection 12<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_SolicitingMaterial</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_TradingSymbol">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Trading symbol of an instrument as listed on an exchange.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_TradingSymbol</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:tradingSymbolItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_WrittenCommunications">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Securities Act<br> -Number 230<br> -Section 425<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_WrittenCommunications</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementClassOfStockAxis=altg_CommonStocksClassUndefinedMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementClassOfStockAxis=altg_CommonStocksClassUndefinedMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementClassOfStockAxis=us-gaap_PreferredStockMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementClassOfStockAxis=us-gaap_PreferredStockMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>7
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
/* Updated 2009-11-04 */
/* v2.2.0.24 */

/* DefRef Styles */
.report table.authRefData{
	background-color: #def;
	border: 2px solid #2F4497;
	font-size: 1em;
	position: absolute;
}

.report table.authRefData a {
	display: block;
	font-weight: bold;
}

.report table.authRefData p {
	margin-top: 0px;
}

.report table.authRefData .hide {
	background-color: #2F4497;
	padding: 1px 3px 0px 0px;
	text-align: right;
}

.report table.authRefData .hide a:hover {
	background-color: #2F4497;
}

.report table.authRefData .body {
	height: 150px;
	overflow: auto;
	width: 400px;
}

.report table.authRefData table{
	font-size: 1em;
}

/* Report Styles */
.pl a, .pl a:visited {
	color: black;
	text-decoration: none;
}

/* table */
.report {
	background-color: white;
	border: 2px solid #acf;
	clear: both;
	color: black;
	font: normal 8pt Helvetica, Arial, san-serif;
	margin-bottom: 2em;
}

.report hr {
	border: 1px solid #acf;
}

/* Top labels */
.report th {
	background-color: #acf;
	color: black;
	font-weight: bold;
	text-align: center;
}

.report th.void	{
	background-color: transparent;
	color: #000000;
	font: bold 10pt Helvetica, Arial, san-serif;
	text-align: left;
}

.report .pl {
	text-align: left;
	vertical-align: top;
	white-space: normal;
	width: 200px;
	white-space: normal; /* word-wrap: break-word; */
}

.report td.pl a.a {
	cursor: pointer;
	display: block;
	width: 200px;
	overflow: hidden;
}

.report td.pl div.a {
	width: 200px;
}

.report td.pl a:hover {
	background-color: #ffc;
}

/* Header rows... */
.report tr.rh {
	background-color: #acf;
	color: black;
	font-weight: bold;
}

/* Calendars... */
.report .rc {
	background-color: #f0f0f0;
}

/* Even rows... */
.report .re, .report .reu {
	background-color: #def;
}

.report .reu td {
	border-bottom: 1px solid black;
}

/* Odd rows... */
.report .ro, .report .rou {
	background-color: white;
}

.report .rou td {
	border-bottom: 1px solid black;
}

.report .rou table td, .report .reu table td {
	border-bottom: 0px solid black;
}

/* styles for footnote marker */
.report .fn {
	white-space: nowrap;
}

/* styles for numeric types */
.report .num, .report .nump {
	text-align: right;
	white-space: nowrap;
}

.report .nump {
	padding-left: 2em;
}

.report .nump {
	padding: 0px 0.4em 0px 2em;
}

/* styles for text types */
.report .text {
	text-align: left;
	white-space: normal;
}

.report .text .big {
	margin-bottom: 1em;
	width: 17em;
}

.report .text .more {
	display: none;
}

.report .text .note {
	font-style: italic;
	font-weight: bold;
}

.report .text .small {
	width: 10em;
}

.report sup {
	font-style: italic;
}

.report .outerFootnotes {
	font-size: 1em;
}
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>8
<FILENAME>Show.js
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
// Edgar(tm) Renderer was created by staff of the U.S. Securities and Exchange Commission.  Data and content created by government employees within the scope of their employment are not subject to domestic copyright protection. 17 U.S.C. 105.
var Show={};Show.LastAR=null,Show.showAR=function(a,r,w){if(Show.LastAR)Show.hideAR();var e=a;while(e&&e.nodeName!='TABLE')e=e.nextSibling;if(!e||e.nodeName!='TABLE'){var ref=((window)?w.document:document).getElementById(r);if(ref){e=ref.cloneNode(!0);
e.removeAttribute('id');a.parentNode.appendChild(e)}}
if(e)e.style.display='block';Show.LastAR=e};Show.hideAR=function(){Show.LastAR.style.display='none'};Show.toggleNext=function(a){var e=a;while(e.nodeName!='DIV')e=e.nextSibling;if(!e.style){}else if(!e.style.display){}else{var d,p_;if(e.style.display=='none'){d='block';p='-'}else{d='none';p='+'}
e.style.display=d;if(a.textContent){a.textContent=p+a.textContent.substring(1)}else{a.innerText=p+a.innerText.substring(1)}}}
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>10
<FILENAME>FilingSummary.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<XML>
<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.26.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>3</ContextCount>
  <ElementCount>22</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>2</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>0</UnitCount>
  <MyReports>
    <Report instance="altg-20260702.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>75000 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="8-K" isOnlyDei="true" isUsgaap="true" original="altg-20260702.htm">altg-20260702.htm</File>
    <File>altg-20260702.xsd</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="25">http://xbrl.sec.gov/dei/2026</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>false</HasPresentationLinkbase>
  <HasCalculationLinkbase>false</HasCalculationLinkbase>
</FilingSummary>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>JSON
<SEQUENCE>12
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
{
 "version": "2.2",
 "instance": {
  "altg-20260702.htm": {
   "nsprefix": "altg",
   "nsuri": "http://www.altaequipment.com/20260702",
   "dts": {
    "inline": {
     "local": [
      "altg-20260702.htm"
     ]
    },
    "schema": {
     "local": [
      "altg-20260702.xsd"
     ],
     "remote": [
      "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xl-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xlink-2003-12-31.xsd",
      "http://www.xbrl.org/2005/xbrldt-2005.xsd",
      "http://www.xbrl.org/2006/ref-2006-02-27.xsd",
      "http://www.xbrl.org/lrr/arcrole/esma-arcrole-2018-11-21.xsd",
      "https://www.xbrl.org/2020/extensible-enumerations-2.0.xsd",
      "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd",
      "https://www.xbrl.org/dtr/type/2024-01-31/types.xsd",
      "https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd",
      "https://xbrl.fasb.org/srt/2026/elts/srt-roles-2026.xsd",
      "https://xbrl.fasb.org/srt/2026/elts/srt-types-2026.xsd",
      "https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd",
      "https://xbrl.fasb.org/us-gaap/2026/elts/us-roles-2026.xsd",
      "https://xbrl.fasb.org/us-gaap/2026/elts/us-types-2026.xsd",
      "https://xbrl.sec.gov/country/2026/country-2026.xsd",
      "https://xbrl.sec.gov/dei/2026/dei-2026.xsd",
      "https://xbrl.sec.gov/stpr/2026/stpr-2026.xsd"
     ]
    }
   },
   "keyStandard": 22,
   "keyCustom": 0,
   "axisStandard": 1,
   "axisCustom": 0,
   "memberStandard": 1,
   "memberCustom": 1,
   "hidden": {
    "total": 2,
    "http://xbrl.sec.gov/dei/2026": 2
   },
   "contextCount": 3,
   "entityCount": 1,
   "segmentCount": 2,
   "elementCount": 29,
   "unitCount": 0,
   "baseTaxonomies": {
    "http://xbrl.sec.gov/dei/2026": 25
   },
   "report": {
    "R1": {
     "role": "http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation",
     "longName": "75000 - Document - Document and Entity Information",
     "shortName": "Document and Entity Information",
     "isDefault": "true",
     "groupType": "document",
     "subGroupType": "",
     "menuCat": "Cover",
     "order": "1",
     "firstAnchor": {
      "contextRef": "C_2afda226-971d-48da-bb20-e27bd95e262a",
      "name": "dei:DocumentType",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "p",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "altg-20260702.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "C_2afda226-971d-48da-bb20-e27bd95e262a",
      "name": "dei:DocumentType",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "p",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "altg-20260702.htm",
      "first": true,
      "unique": true
     }
    }
   },
   "tag": {
    "dei_AmendmentFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2026",
     "localname": "AmendmentFlag",
     "presentation": [
      "http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Amendment",
        "label": "Amendment Flag",
        "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission."
       }
      }
     },
     "auth_ref": []
    },
    "dei_CityAreaCode": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2026",
     "localname": "CityAreaCode",
     "presentation": [
      "http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "City Area Code",
        "documentation": "Area code of city"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ClassOfStockDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2026",
     "localname": "ClassOfStockDomain",
     "presentation": [
      "http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Class of Stock [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "altg_CommonStocksClassUndefinedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.altaequipment.com/20260702",
     "localname": "CommonStocksClassUndefinedMember",
     "presentation": [
      "http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "documentation": "Common stocks class undefined.",
        "label": "Common Stocks Class Undefined [Member]",
        "terseLabel": "Common Stock"
       }
      }
     },
     "auth_ref": []
    },
    "dei_CoverAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2026",
     "localname": "CoverAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Cover",
        "label": "Cover [Abstract]",
        "documentation": "Cover page."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentInformationLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2026",
     "localname": "DocumentInformationLineItems",
     "presentation": [
      "http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Document Information:",
        "label": "Document Information [Line Items]",
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentInformationTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2026",
     "localname": "DocumentInformationTable",
     "presentation": [
      "http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Document Information",
        "label": "Document Information [Table]",
        "documentation": "Container to support the formal attachment of each official or unofficial, public or private document as part of a submission package."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentPeriodEndDate": {
     "xbrltype": "dateItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2026",
     "localname": "DocumentPeriodEndDate",
     "presentation": [
      "http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Period End Date",
        "label": "Document Period End Date",
        "documentation": "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentType": {
     "xbrltype": "submissionTypeItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2026",
     "localname": "DocumentType",
     "presentation": [
      "http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Document Type",
        "label": "Document Type",
        "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressAddressLine1": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2026",
     "localname": "EntityAddressAddressLine1",
     "presentation": [
      "http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, Address Line One",
        "documentation": "Address Line 1 such as Attn, Building Name, Street Name"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressCityOrTown": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2026",
     "localname": "EntityAddressCityOrTown",
     "presentation": [
      "http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, City or Town",
        "documentation": "Name of the City or Town"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressPostalZipCode": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2026",
     "localname": "EntityAddressPostalZipCode",
     "presentation": [
      "http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, Postal Zip Code",
        "documentation": "Code for the postal or zip code"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressStateOrProvince": {
     "xbrltype": "stateOrProvinceItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2026",
     "localname": "EntityAddressStateOrProvince",
     "presentation": [
      "http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, State or Province",
        "documentation": "Name of the state or province."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityCentralIndexKey": {
     "xbrltype": "centralIndexKeyItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2026",
     "localname": "EntityCentralIndexKey",
     "presentation": [
      "http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "CIK",
        "label": "Entity Central Index Key",
        "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_EntityEmergingGrowthCompany": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2026",
     "localname": "EntityEmergingGrowthCompany",
     "presentation": [
      "http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Emerging Growth Company",
        "documentation": "Indicate if registrant meets the emerging growth company criteria."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_EntityFileNumber": {
     "xbrltype": "fileNumberItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2026",
     "localname": "EntityFileNumber",
     "presentation": [
      "http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Securities Act File Number",
        "terseLabel": "Entity File Number",
        "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityIncorporationStateCountryCode": {
     "xbrltype": "edgarStateCountryItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2026",
     "localname": "EntityIncorporationStateCountryCode",
     "presentation": [
      "http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Incorporation, State or Country Code",
        "documentation": "Two-character EDGAR code representing the state or country of incorporation."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityRegistrantName": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2026",
     "localname": "EntityRegistrantName",
     "presentation": [
      "http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Registrant Name",
        "label": "Entity Registrant Name",
        "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_EntityTaxIdentificationNumber": {
     "xbrltype": "employerIdItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2026",
     "localname": "EntityTaxIdentificationNumber",
     "presentation": [
      "http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Tax Identification Number",
        "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_LocalPhoneNumber": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2026",
     "localname": "LocalPhoneNumber",
     "presentation": [
      "http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Local Phone Number",
        "documentation": "Local phone number for entity."
       }
      }
     },
     "auth_ref": []
    },
    "dei_PreCommencementIssuerTenderOffer": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2026",
     "localname": "PreCommencementIssuerTenderOffer",
     "presentation": [
      "http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pre-commencement Issuer Tender Offer",
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act."
       }
      }
     },
     "auth_ref": [
      "r3"
     ]
    },
    "dei_PreCommencementTenderOffer": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2026",
     "localname": "PreCommencementTenderOffer",
     "presentation": [
      "http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pre-commencement Tender Offer",
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act."
       }
      }
     },
     "auth_ref": [
      "r5"
     ]
    },
    "us-gaap_PreferredStockMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2026",
     "localname": "PreferredStockMember",
     "presentation": [
      "http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Preferred Stock [Member]",
        "terseLabel": "Preferred Stock"
       }
      }
     },
     "auth_ref": []
    },
    "dei_Security12bTitle": {
     "xbrltype": "securityTitleItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2026",
     "localname": "Security12bTitle",
     "presentation": [
      "http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Title of 12(b) Security",
        "documentation": "Title of a 12(b) registered security."
       }
      }
     },
     "auth_ref": [
      "r0"
     ]
    },
    "dei_SecurityExchangeName": {
     "xbrltype": "edgarExchangeCodeItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2026",
     "localname": "SecurityExchangeName",
     "presentation": [
      "http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Security Exchange Name",
        "documentation": "Name of the Exchange on which a security is registered."
       }
      }
     },
     "auth_ref": [
      "r2"
     ]
    },
    "dei_SolicitingMaterial": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2026",
     "localname": "SolicitingMaterial",
     "presentation": [
      "http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Soliciting Material",
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act."
       }
      }
     },
     "auth_ref": [
      "r4"
     ]
    },
    "us-gaap_StatementClassOfStockAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2026",
     "localname": "StatementClassOfStockAxis",
     "presentation": [
      "http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Class of Stock [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "dei_TradingSymbol": {
     "xbrltype": "tradingSymbolItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2026",
     "localname": "TradingSymbol",
     "presentation": [
      "http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Symbol",
        "documentation": "Trading symbol of an instrument as listed on an exchange."
       }
      }
     },
     "auth_ref": []
    },
    "dei_WrittenCommunications": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2026",
     "localname": "WrittenCommunications",
     "presentation": [
      "http://www.altaequipment.com/20260702/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Written Communications",
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act."
       }
      }
     },
     "auth_ref": [
      "r6"
     ]
    }
   }
  }
 },
 "std_ref": {
  "r0": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "b"
  },
  "r1": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "b-2"
  },
  "r2": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "d1-1"
  },
  "r3": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "13e",
   "Subsection": "4c"
  },
  "r4": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "14a",
   "Subsection": "12"
  },
  "r5": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "14d",
   "Subsection": "2b"
  },
  "r6": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Securities Act",
   "Number": "230",
   "Section": "425"
  }
 }
}
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>13
<FILENAME>0001193125-26-293422-xbrl.zip
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
begin 644 0001193125-26-293422-xbrl.zip
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MZ6XS3/EX[X?=9J_HQWO_!5!+ P04    "  &6.)<KW(/4G4-  !XNP  $0
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M0C1^&-$BP3LD!NM;D(MD3*ZI^4@5LI>34R O*06^B0DY!O!=+?GL!\I6,'>
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M2P$"% ,4    "  &6.)<EG4L3285  # Q@  $0              @ $
M86QT9RTR,#(V,#<P,BYH=&U02P$"% ,4    "  &6.)<KW(/4G4-  !XNP
M$0              @ %5%0  86QT9RTR,#(V,#<P,BYX<V102P$"% ,4
M"  &6.)<R<2X5S8'  #<'   #P              @ 'Y(@  86QT9RUE>#DY
<7S$N:'1M4$L%!@     #  , NP   %PJ      $!

end
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>14
<FILENAME>altg-20260702_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<XML>
<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:altg="http://www.altaequipment.com/20260702"
  xmlns:dei="http://xbrl.sec.gov/dei/2026"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:us-gaap="http://fasb.org/us-gaap/2026"
  xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="altg-20260702.xsd" xlink:type="simple"/>
    <context id="C_2afda226-971d-48da-bb20-e27bd95e262a">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001759824</identifier>
        </entity>
        <period>
            <startDate>2026-07-02</startDate>
            <endDate>2026-07-02</endDate>
        </period>
    </context>
    <context id="C_67541116-813a-4087-9b27-175bb0c68c8c">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001759824</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:PreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-07-02</startDate>
            <endDate>2026-07-02</endDate>
        </period>
    </context>
    <context id="C_7c494cf2-043c-45dd-a9e9-05add6926903">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001759824</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">altg:CommonStocksClassUndefinedMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-07-02</startDate>
            <endDate>2026-07-02</endDate>
        </period>
    </context>
    <dei:EntityCentralIndexKey
      contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a"
      id="F_51b4a60c-2745-466e-8075-dfe4972e9a52">0001759824</dei:EntityCentralIndexKey>
    <dei:AmendmentFlag
      contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a"
      id="F_1d88bc2f-b3e6-4eb9-9f93-b8c39efb5bf9">false</dei:AmendmentFlag>
    <dei:DocumentType
      contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a"
      id="F_342afd2d-155b-4b45-8572-8994cbd034f1">8-K</dei:DocumentType>
    <dei:DocumentPeriodEndDate
      contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a"
      id="F_8645a175-aa5f-47b7-b8c2-9c640e3b0cd1">2026-07-02</dei:DocumentPeriodEndDate>
    <dei:EntityRegistrantName
      contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a"
      id="F_56a0a6e3-e96d-454e-bee0-99c82a2fd475">ALTA EQUIPMENT GROUP INC.</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode
      contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a"
      id="F_562c5dc0-f302-446a-9f28-666985dac9f1">DE</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber
      contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a"
      id="F_c9cab754-7e16-48d2-9eec-f27bf5db5a38">001-38864</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber
      contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a"
      id="F_20fabaf2-2b2d-4f3e-a820-403e37f86bb8">83-2583782</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1
      contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a"
      id="F_6f27c9b6-1e47-4495-ada6-5316b8e30a79">13211 Merriman Road</dei:EntityAddressAddressLine1>
    <dei:EntityAddressCityOrTown
      contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a"
      id="F_a481350a-1fc0-4b3a-b9b4-88798c0f215e">Livonia</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince
      contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a"
      id="F_2f853d44-18cb-419d-86f4-34cd2d61f8e5">MI</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode
      contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a"
      id="F_37e9d556-57f0-4e61-981c-2e50590054e7">48150</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode
      contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a"
      id="F_da34af5b-4ebe-4ca9-90f6-116c2a73397d">248</dei:CityAreaCode>
    <dei:LocalPhoneNumber
      contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a"
      id="F_b8495779-a133-4597-a0e2-b39f959fd473">449-6700</dei:LocalPhoneNumber>
    <dei:WrittenCommunications
      contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a"
      id="F_d4eb1431-c880-4dc2-972a-3d979a48ba94">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial
      contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a"
      id="F_9fbdd1ff-a6af-40cb-b28b-3213cf3051cc">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer
      contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a"
      id="F_eb304c10-c622-4ee7-9612-43e64527cfda">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer
      contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a"
      id="F_9a81ba7d-73d0-4b33-b58e-f956163e7389">false</dei:PreCommencementIssuerTenderOffer>
    <dei:Security12bTitle
      contextRef="C_7c494cf2-043c-45dd-a9e9-05add6926903"
      id="F_4d07d74c-dbf0-4ea3-89f9-7d0cdf36b502">Common stock, $0.0001 par value per share</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="C_7c494cf2-043c-45dd-a9e9-05add6926903"
      id="F_73187bb6-9ab0-448a-8e4d-66856e9cb157">ALTG</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="C_7c494cf2-043c-45dd-a9e9-05add6926903"
      id="F_e8dc3a91-652e-4468-af24-c96065874e58">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="C_67541116-813a-4087-9b27-175bb0c68c8c"
      id="F_673e7781-9d25-4822-92f8-aeec41d765db">Depositary Shares</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="C_67541116-813a-4087-9b27-175bb0c68c8c"
      id="F_370aa2a2-0863-4b0f-9f25-ee4c46c593d9">ALTG PRA</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="C_67541116-813a-4087-9b27-175bb0c68c8c"
      id="F_1fc17536-34f6-4aac-8bc1-1bef3eb08c17">NYSE</dei:SecurityExchangeName>
    <dei:EntityEmergingGrowthCompany
      contextRef="C_2afda226-971d-48da-bb20-e27bd95e262a"
      id="F_86fa5515-6e87-4483-a858-da381ff717e1">false</dei:EntityEmergingGrowthCompany>
</xbrl>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
