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  <xsd:element name="MarketAdjustmentOnDerivativesNotClassifiedAsHedges" id="plow_MarketAdjustmentOnDerivativesNotClassifiedAsHedges" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="AccruedExpensesInterestRateSwaps" id="plow_AccruedExpensesInterestRateSwaps" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="GainsLossesOnDerivativesExpectedToBeAmortizedFromOCIToEarnings" id="plow_GainsLossesOnDerivativesExpectedToBeAmortizedFromOCIToEarnings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="NationalEmergencyIncrementalCosts" id="plow_NationalEmergencyIncrementalCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="OtherCharges" id="plow_OtherCharges" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="CreditAgreementMember" id="plow_CreditAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorSecuredTermLoanFacilityMember" id="plow_SeniorSecuredTermLoanFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NewYorkFederalReserveBankNyfrbMember" id="plow_NewYorkFederalReserveBankNyfrbMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LeverageRatioOneMember" id="plow_LeverageRatioOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LeverageRatioTwoMember" id="plow_LeverageRatioTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentCovenantConsolidatedInterestCoverageRatio" id="plow_DebtInstrumentCovenantConsolidatedInterestCoverageRatio" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentCovenantLeverageRatio" id="plow_DebtInstrumentCovenantLeverageRatio" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour" id="plow_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="NumberOfOperatingLeaseFacilitiesImpaired" id="plow_NumberOfOperatingLeaseFacilitiesImpaired" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DerivativeCounterPartyRiskNumberOfFinancialInstitutions" id="plow_DerivativeCounterPartyRiskNumberOfFinancialInstitutions" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="SharesIssuedValueRepurchaseOfCommonStock" id="plow_SharesIssuedValueRepurchaseOfCommonStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="SharesIssuedSharesRepurchaseOfCommonStock" id="plow_SharesIssuedSharesRepurchaseOfCommonStock" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="EffectiveIncomeTaxRateReconciliationDiscreteTaxExpensesBenefit" id="plow_EffectiveIncomeTaxRateReconciliationDiscreteTaxExpensesBenefit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
</xsd:schema>
