<SEC-DOCUMENT>0000775158-20-000154.txt : 20201123
<SEC-HEADER>0000775158-20-000154.hdr.sgml : 20201123
<ACCEPTANCE-DATETIME>20201123160612
ACCESSION NUMBER:		0000775158-20-000154
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200515
FILED AS OF DATE:		20201123
DATE AS OF CHANGE:		20201123

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SHIELY JOHN S
		CENTRAL INDEX KEY:			0001093033
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		STATE OF INCORPORATION:			WI
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31371
		FILM NUMBER:		201337286

	MAIL ADDRESS:	
		STREET 1:		770 NORTH WATER ST
		CITY:			MILWAUKEE
		STATE:			WI
		ZIP:			53202

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OSHKOSH CORP
		CENTRAL INDEX KEY:			0000775158
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLES & PASSENGER CAR BODIES [3711]
		IRS NUMBER:				390520270
		STATE OF INCORPORATION:			WI
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		1917 FOUR WHEEL DRIVE
		CITY:			OSHKOSH
		STATE:			WI
		ZIP:			54902
		BUSINESS PHONE:		920-502-3400

	MAIL ADDRESS:	
		STREET 1:		1917 FOUR WHEEL DRIVE
		CITY:			OSHKOSH
		STATE:			WI
		ZIP:			54902

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	OSHKOSH TRUCK CORP
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2020-05-15</periodOfReport>

    <dateOfOriginalSubmission>2020-05-18</dateOfOriginalSubmission>

    <issuer>
        <issuerCik>0000775158</issuerCik>
        <issuerName>OSHKOSH CORP</issuerName>
        <issuerTradingSymbol>OSK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001093033</rptOwnerCik>
            <rptOwnerName>SHIELY JOHN S</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O OSHKOSH CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>1917 FOUR WHEEL DRIVE</rptOwnerStreet2>
            <rptOwnerCity>OSHKOSH</rptOwnerCity>
            <rptOwnerState>WI</rptOwnerState>
            <rptOwnerZipCode>54902</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-05-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>17.65</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>61.01</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>25057.70</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents stock units payable in Oshkosh Corporation common stock acquired in accordance with the dividend reinvestment feature of the Oshkosh Corporation Deferred Compensation Plan for Directors and Executive Officers.</footnote>
        <footnote id="F2">This amendment corrects the Amount of Securities Beneficially Owned Following Reported Transaction from 25,505.77 to 25,057.70.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Ignacio A. Cortina, for John S. Shiely</signatureName>
        <signatureDate>2020-11-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
