<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2021 Workiva-->
<!--r:f48dd26b-fc1a-44bd-9aa7-40904eec6688,g:928c5c2e-edc2-49bf-90b4-35c60f3d1561-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:cmco="http://www.cmworks.com/20201231" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.cmworks.com/20201231">
  <xs:import namespace="http://fasb.org/srt/2020-01-31" schemaLocation="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd"/>
  <xs:import namespace="http://fasb.org/us-gaap/2020-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd"/>
  <xs:import namespace="http://www.w3.org/1999/xlink" schemaLocation="http://www.xbrl.org/2003/xlink-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd"/>
  <xs:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/country/2020-01-31" schemaLocation="https://xbrl.sec.gov/country/2020/country-2020-01-31.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2020-01-31" schemaLocation="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd"/>
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="cmco-20201231_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="cmco-20201231_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="cmco-20201231_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="cmco-20201231_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="DocumentandEntityInformation" roleURI="http://www.cmworks.com/role/DocumentandEntityInformation">
        <link:definition>1001001 - Statement - 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:roleType id="CondensedConsolidatedBalanceSheets" roleURI="http://www.cmworks.com/role/CondensedConsolidatedBalanceSheets">
        <link:definition>1002002 - Statement - Condensed Consolidated Balance Sheets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedBalanceSheetsParenthetical" roleURI="http://www.cmworks.com/role/CondensedConsolidatedBalanceSheetsParenthetical">
        <link:definition>1003003 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedStatementsofOperationsandRetainedEarnings" roleURI="http://www.cmworks.com/role/CondensedConsolidatedStatementsofOperationsandRetainedEarnings">
        <link:definition>1004004 - Statement - Condensed Consolidated Statements of Operations and Retained Earnings</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofComprehensiveIncome" roleURI="http://www.cmworks.com/role/ConsolidatedStatementsofComprehensiveIncome">
        <link:definition>1005005 - Statement - Consolidated Statements of Comprehensive Income</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofComprehensiveIncomeConsolidatedStatementsofComprehensiveIncomeParenthetical" roleURI="http://www.cmworks.com/role/ConsolidatedStatementsofComprehensiveIncomeConsolidatedStatementsofComprehensiveIncomeParenthetical">
        <link:definition>1006006 - Statement - Consolidated Statements of Comprehensive Income Consolidated Statements of Comprehensive Income (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofCashFlows" roleURI="http://www.cmworks.com/role/ConsolidatedStatementsofCashFlows">
        <link:definition>1007007 - Statement - Consolidated Statements of Cash Flows</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedStatementsofShareholdersEquityStatement" roleURI="http://www.cmworks.com/role/CondensedConsolidatedStatementsofShareholdersEquityStatement">
        <link:definition>1008008 - Statement - Condensed Consolidated Statements of Shareholders' Equity Statement</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DescriptionofBusiness" roleURI="http://www.cmworks.com/role/DescriptionofBusiness">
        <link:definition>2101101 - Disclosure - Description of Business</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DescriptionofBusinessNarrativeDetails" roleURI="http://www.cmworks.com/role/DescriptionofBusinessNarrativeDetails">
        <link:definition>2402401 - Disclosure - Description of Business (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Acquisitions" roleURI="http://www.cmworks.com/role/Acquisitions">
        <link:definition>2103102 - Disclosure - Acquisitions</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionsTables" roleURI="http://www.cmworks.com/role/AcquisitionsTables">
        <link:definition>2304301 - Disclosure - Acquisitions (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionsNarrativesDetails" roleURI="http://www.cmworks.com/role/AcquisitionsNarrativesDetails">
        <link:definition>2405402 - Disclosure - Acquisitions (Narratives) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueRecognitionNotes" roleURI="http://www.cmworks.com/role/RevenueRecognitionNotes">
        <link:definition>2106103 - Disclosure - Revenue Recognition (Notes)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueRecognitionPolicies" roleURI="http://www.cmworks.com/role/RevenueRecognitionPolicies">
        <link:definition>2207201 - Disclosure - Revenue Recognition (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueRecognitionTables" roleURI="http://www.cmworks.com/role/RevenueRecognitionTables">
        <link:definition>2308302 - Disclosure - Revenue Recognition (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueRecognitionDetails" roleURI="http://www.cmworks.com/role/RevenueRecognitionDetails">
        <link:definition>2409403 - Disclosure - Revenue Recognition (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurements" roleURI="http://www.cmworks.com/role/FairValueMeasurements">
        <link:definition>2110104 - Disclosure - Fair Value Measurements</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairvalueMeasurementsTables" roleURI="http://www.cmworks.com/role/FairvalueMeasurementsTables">
        <link:definition>2311303 - Disclosure - Fair value Measurements (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementsAssetsandliabilitiesmeasuredatfairvalueonrecurringbasesDetails" roleURI="http://www.cmworks.com/role/FairValueMeasurementsAssetsandliabilitiesmeasuredatfairvalueonrecurringbasesDetails">
        <link:definition>2412404 - Disclosure - Fair Value Measurements (Assets and liabilities measured at fair value on recurring bases) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Inventories" roleURI="http://www.cmworks.com/role/Inventories">
        <link:definition>2113105 - Disclosure - Inventories</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InventoriesTables" roleURI="http://www.cmworks.com/role/InventoriesTables">
        <link:definition>2314304 - Disclosure - Inventories (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InventoriesDetails" roleURI="http://www.cmworks.com/role/InventoriesDetails">
        <link:definition>2415405 - Disclosure - Inventories (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="MarketableSecurities" roleURI="http://www.cmworks.com/role/MarketableSecurities">
        <link:definition>2116106 - Disclosure - Marketable Securities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="MarketableSecuritiesTables" roleURI="http://www.cmworks.com/role/MarketableSecuritiesTables">
        <link:definition>2317305 - Disclosure - Marketable Securities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="MarketableSecuritiesNarrativesDetails" roleURI="http://www.cmworks.com/role/MarketableSecuritiesNarrativesDetails">
        <link:definition>2418406 - Disclosure - Marketable Securities (Narratives) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="MarketableSecuritiesSummaryofavailableforsalesecuritiesDetails" roleURI="http://www.cmworks.com/role/MarketableSecuritiesSummaryofavailableforsalesecuritiesDetails">
        <link:definition>2419407 - Disclosure - Marketable Securities (Summary of available-for-sale securities ) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandIntangibleAssets" roleURI="http://www.cmworks.com/role/GoodwillandIntangibleAssets">
        <link:definition>2120107 - Disclosure - Goodwill and Intangible Assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandIntangibleAssetsTables" roleURI="http://www.cmworks.com/role/GoodwillandIntangibleAssetsTables">
        <link:definition>2321306 - Disclosure - Goodwill and Intangible Assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandIntangibleAssetsNarrativeDetails" roleURI="http://www.cmworks.com/role/GoodwillandIntangibleAssetsNarrativeDetails">
        <link:definition>2422408 - Disclosure - Goodwill and Intangible Assets (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandIntangibleAssetsDetails" roleURI="http://www.cmworks.com/role/GoodwillandIntangibleAssetsDetails">
        <link:definition>2423409 - Disclosure - Goodwill and Intangible Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativeInstrumentsDerivativeInstrumentsNotes" roleURI="http://www.cmworks.com/role/DerivativeInstrumentsDerivativeInstrumentsNotes">
        <link:definition>2124108 - Disclosure - Derivative Instruments Derivative Instruments (Notes)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativeInstrumentsandHedgingActivitiesTables" roleURI="http://www.cmworks.com/role/DerivativeInstrumentsandHedgingActivitiesTables">
        <link:definition>2325307 - Disclosure - Derivative Instruments and Hedging Activities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativeInstrumentsNarrativesDetails" roleURI="http://www.cmworks.com/role/DerivativeInstrumentsNarrativesDetails">
        <link:definition>2426410 - Disclosure - Derivative Instruments (Narratives) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativeInstrumentsDerivativeinstrumentsinthecondensedconsolidatedbalancesheetDetails" roleURI="http://www.cmworks.com/role/DerivativeInstrumentsDerivativeinstrumentsinthecondensedconsolidatedbalancesheetDetails">
        <link:definition>2427411 - Disclosure - Derivative Instruments (Derivative instruments in the condensed consolidated balance sheet) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Debt" roleURI="http://www.cmworks.com/role/Debt">
        <link:definition>2128109 - Disclosure - Debt</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtNarrativesDetails" roleURI="http://www.cmworks.com/role/DebtNarrativesDetails">
        <link:definition>2429412 - Disclosure - Debt (Narratives) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NetPeriodicBenefitCost" roleURI="http://www.cmworks.com/role/NetPeriodicBenefitCost">
        <link:definition>2130110 - Disclosure - Net Periodic Benefit Cost</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NetPeriodicBenefitCostTables" roleURI="http://www.cmworks.com/role/NetPeriodicBenefitCostTables">
        <link:definition>2331308 - Disclosure - Net Periodic Benefit Cost (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NetPeriodicBenefitCostNarrativesDetails" roleURI="http://www.cmworks.com/role/NetPeriodicBenefitCostNarrativesDetails">
        <link:definition>2432413 - Disclosure - Net Periodic Benefit Cost (Narratives) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NetPeriodicBenefitCostComponentsofnetperiodicpensioncostandnetperiodicpostretirementbenefitcostDetails" roleURI="http://www.cmworks.com/role/NetPeriodicBenefitCostComponentsofnetperiodicpensioncostandnetperiodicpostretirementbenefitcostDetails">
        <link:definition>2433414 - Disclosure - Net Periodic Benefit Cost (Components of net periodic pension cost and net periodic postretirement benefit cost) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerShare" roleURI="http://www.cmworks.com/role/EarningsPerShare">
        <link:definition>2134111 - Disclosure - Earnings Per Share</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerShareTables" roleURI="http://www.cmworks.com/role/EarningsPerShareTables">
        <link:definition>2335309 - Disclosure - Earnings Per Share (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerShareNarrativesDetails" roleURI="http://www.cmworks.com/role/EarningsPerShareNarrativesDetails">
        <link:definition>2436415 - Disclosure - Earnings Per Share (Narratives) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerShareComputationofbasicanddilutedearningspershareDetails" roleURI="http://www.cmworks.com/role/EarningsPerShareComputationofbasicanddilutedearningspershareDetails">
        <link:definition>2437416 - Disclosure - Earnings Per Share (Computation of basic and diluted earnings per share) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LossContingencies" roleURI="http://www.cmworks.com/role/LossContingencies">
        <link:definition>2138112 - Disclosure - Loss Contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LossContingenciesNarrativesDetails" roleURI="http://www.cmworks.com/role/LossContingenciesNarrativesDetails">
        <link:definition>2439417 - Disclosure - Loss Contingencies (Narratives) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LossContingenciesNoncurrentLiabilitiesDetails" roleURI="http://www.cmworks.com/role/LossContingenciesNoncurrentLiabilitiesDetails">
        <link:definition>2440418 - Disclosure - Loss Contingencies Noncurrent Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentandContingenciesTables" roleURI="http://www.cmworks.com/role/CommitmentandContingenciesTables">
        <link:definition>2341310 - Disclosure - Commitment and Contingencies (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesNarrativesDetails" roleURI="http://www.cmworks.com/role/IncomeTaxesNarrativesDetails">
        <link:definition>2442419 - Disclosure - Income Taxes (Narratives) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxes" roleURI="http://www.cmworks.com/role/IncomeTaxes">
        <link:definition>2143113 - Disclosure - Income Taxes</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ChangesinOtherComprehensiveLoss" roleURI="http://www.cmworks.com/role/ChangesinOtherComprehensiveLoss">
        <link:definition>2144114 - Disclosure - Changes in Other Comprehensive Loss</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ChangesinOtherComprehensiveLossTables" roleURI="http://www.cmworks.com/role/ChangesinOtherComprehensiveLossTables">
        <link:definition>1309311 - Statement - Changes in Other Comprehensive Loss (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ChangesinOtherComprehensiveLossNarrativeDetails" roleURI="http://www.cmworks.com/role/ChangesinOtherComprehensiveLossNarrativeDetails">
        <link:definition>1410420 - Statement - Changes in Other Comprehensive Loss (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesLeasesNotes" roleURI="http://www.cmworks.com/role/LeasesLeasesNotes">
        <link:definition>2145115 - Disclosure - Leases Leases (Notes)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesTables" roleURI="http://www.cmworks.com/role/LeasesTables">
        <link:definition>2346312 - Disclosure - Leases (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesDetails" roleURI="http://www.cmworks.com/role/LeasesDetails">
        <link:definition>2447421 - Disclosure - Leases (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EffectsofNewAccountingPronouncements" roleURI="http://www.cmworks.com/role/EffectsofNewAccountingPronouncements">
        <link:definition>2148116 - Disclosure - Effects of New Accounting Pronouncements</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SubsequentEventsNotes" roleURI="http://www.cmworks.com/role/SubsequentEventsNotes">
        <link:definition>2149117 - Disclosure - Subsequent Events (Notes)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SubsequentEventsTables" roleURI="http://www.cmworks.com/role/SubsequentEventsTables">
        <link:definition>2350313 - Disclosure - Subsequent Events (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SubsequentEventsDetails" roleURI="http://www.cmworks.com/role/SubsequentEventsDetails">
        <link:definition>2451422 - Disclosure - Subsequent Events (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="cmco_EngineeredProductsMember" abstract="true" name="EngineeredProductsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="cmco_Fiscalyear2004Member" abstract="true" name="Fiscalyear2004Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="cmco_LossContingencyAllegedTaxesOwed" abstract="false" name="LossContingencyAllegedTaxesOwed" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cmco_RequiredpaymentsMember" abstract="true" name="RequiredpaymentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="cmco_ComprehensiveIncomeLossReclassification" abstract="false" name="ComprehensiveIncomeLossReclassification" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cmco_DEPMember" abstract="true" name="DEPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="cmco_IncreaseDecreaseInEmployeeStockOptionsGuarantee" abstract="false" name="IncreaseDecreaseInEmployeeStockOptionsGuarantee" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cmco_ReclassifyNextYearMember" abstract="true" name="ReclassifyNextYearMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="cmco_NewCreditAgreement2017" abstract="false" name="NewCreditAgreement2017" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cmco_IndustrialProductsMember" abstract="true" name="IndustrialProductsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="cmco_FairValueByAssetAndLiabilityClassAxis" abstract="true" name="FairValueByAssetAndLiabilityClassAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="cmco_A2016LTIPMember" abstract="true" name="A2016LTIPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="cmco_MagnetekMember" abstract="true" name="MagnetekMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="cmco_LossContingencyAllegedTaxesOwedIncludingPenaltiesAndInterest" abstract="false" name="LossContingencyAllegedTaxesOwedIncludingPenaltiesAndInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cmco_NumeratorForBasicAndDilutedEarningsPerShareAbstract" abstract="true" name="NumeratorForBasicAndDilutedEarningsPerShareAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cmco_DocumentEntityInformationAbstract" abstract="true" name="DocumentEntityInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cmco_LossContingencyPeriod" abstract="false" name="LossContingencyPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="cmco_DuffNortonGroupMember" abstract="true" name="DuffNortonGroupMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="cmco_ComprehensiveIncomeLossBeforeReclassification" abstract="false" name="ComprehensiveIncomeLossBeforeReclassification" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cmco_AllotherMember" abstract="true" name="AllotherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="cmco_DenominatorsAbstract" abstract="true" name="DenominatorsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cmco_CurrentSettlementPeriod" abstract="false" name="CurrentSettlementPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="cmco_FairValueByAssetAndLiabilityClassDomain" abstract="true" name="FairValueByAssetAndLiabilityClassDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="cmco_EstimateOfCurrentLiabilityPayments" abstract="false" name="EstimateOfCurrentLiabilityPayments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cmco_MarketableSecuritiesMember" abstract="true" name="MarketableSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="cmco_ReclassificationoutofAccumulatedOtherComprehensiveIncomeLineItems" abstract="true" name="ReclassificationoutofAccumulatedOtherComprehensiveIncomeLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cmco_Fiscalyear2003Member" abstract="true" name="Fiscalyear2003Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="cmco_EMCMember" abstract="true" name="EMCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="cmco_NewRevolvingCreditFacilityMember" abstract="true" name="NewRevolvingCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="cmco_CraneSolutionsMember" abstract="true" name="CraneSolutionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="cmco_RestofProductsMember" abstract="true" name="RestofProductsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
</xs:schema>
