-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 PsJSfAwsmuxaRjLdrojceEYYz8bkq/6lZxSuRAp/3/36DqHxLQ+FvZRdmE1YwStj
 5LTMrek80ij4KREYSNCYSg==

<SEC-DOCUMENT>0000775158-04-000108.txt : 20040813
<SEC-HEADER>0000775158-04-000108.hdr.sgml : 20040813
<ACCEPTANCE-DATETIME>20040813123020
ACCESSION NUMBER:		0000775158-04-000108
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040812
FILED AS OF DATE:		20040813

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OSHKOSH TRUCK 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:		2307 OREGON ST
		STREET 2:		P O BOX 2566
		CITY:			OSHKOSH
		STATE:			WI
		ZIP:			54903
		BUSINESS PHONE:		4142359151

	MAIL ADDRESS:	
		STREET 1:		2307 OREGON ST P O BOX 2566
		STREET 2:		2307 OREGON ST P O BOX 2566
		CITY:			OSHKOSH
		STATE:			WI
		ZIP:			54903

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SIM RICHARD G
		CENTRAL INDEX KEY:			0000903066
		STATE OF INCORPORATION:			WI
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31371
		FILM NUMBER:		04972808

	BUSINESS ADDRESS:	
		STREET 1:		5231 N HWY 83
		CITY:			HARTLAND
		STATE:			WI
		ZIP:			53029
		BUSINESS PHONE:		2623678623

	MAIL ADDRESS:	
		STREET 1:		APPLIED POWER SILVER SPRING DRIVE
		STREET 2:		13000 WEST SILVER SPRING DRIVE
		CITY:			MILWAUKEE
		STATE:			WI
		ZIP:			53007
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-08-12</periodOfReport>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000903066</rptOwnerCik>
            <rptOwnerName>SIM RICHARD G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O OSHKOSH TRUCK CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>2307 OREGON STREET</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>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-08-12</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>600</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>50.08</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7400</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-08-12</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>200</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>50.06</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7200</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Bryan J. Blankfield, Attorney-in-fact</signatureName>
        <signatureDate>2004-08-13</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----