-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001239149-04-000004.txt : 20040524
<SEC-HEADER>0001239149-04-000004.hdr.sgml : 20040524
<ACCEPTANCE-DATETIME>20040524163005
ACCESSION NUMBER:		0001239149-04-000004
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031201
FILED AS OF DATE:		20040524

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COLLINS INDUSTRIES INC
		CENTRAL INDEX KEY:			0000021759
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLES & PASSENGER CAR BODIES [3711]
		IRS NUMBER:				430985160
		STATE OF INCORPORATION:			MO
		FISCAL YEAR END:			1031

	BUSINESS ADDRESS:	
		STREET 1:		15 COMPOUND DR
		CITY:			HUTCHINSON
		STATE:			KS
		ZIP:			67502
		BUSINESS PHONE:		6206635551

	MAIL ADDRESS:	
		STREET 1:		15 COMPOUND DRIVE
		STREET 2:		PO BOX 648
		CITY:			HUTCHINSON
		STATE:			KS
		ZIP:			67502

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			NASH RODNEY T
		CENTRAL INDEX KEY:			0001239149

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-12619
		FILM NUMBER:		04827279

	BUSINESS ADDRESS:	
		STREET 1:		C/O COLLINS INDUSTRIES INC
		STREET 2:		15 COMPOUND DR
		CITY:			HUTCHINSON
		STATE:			KS
		ZIP:			67502
		BUSINESS PHONE:		6205131001

	MAIL ADDRESS:	
		STREET 1:		C/O COLLINS INDUSTRIES INC
		STREET 2:		15 COMPOUND DR
		CITY:			HUTCHINSON
		STATE:			KS
		ZIP:			67502
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2003-12-01</periodOfReport>

    <dateOfOriginalSubmission>2003-12-02</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000021759</issuerCik>
        <issuerName>COLLINS INDUSTRIES INC</issuerName>
        <issuerTradingSymbol>COLL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001239149</rptOwnerCik>
            <rptOwnerName>NASH RODNEY T</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O COLLINS INDUSTRIES INC</rptOwnerStreet1>
            <rptOwnerStreet2>15 COMPOUND DR</rptOwnerStreet2>
            <rptOwnerCity>HUTCHINSON</rptOwnerCity>
            <rptOwnerState>KS</rptOwnerState>
            <rptOwnerZipCode>67502</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice President - Engineering</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Collins Industries, Inc. - Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2003-12-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.75</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>43797</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Collins Industries, Inc. - Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2003-12-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1134</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>5.4</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>42663</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Options (Right to Buy)</value>
                <footnoteId id="F2"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>1.75</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2003-12-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.75</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>1995-06-30</value>
            </exerciseDate>
            <expirationDate>
                <value>2005-03-30</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Collins Industries, Inc. - Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>3500</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>19000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Payment of option exercise price by delvery of securities to exercise stock options.</footnote>
        <footnote id="F2">Information from Table II not included with original filing dated 12/02/2003.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Larry W. Sayre, Attorney in Fact for Rodney T. Nash under a Limited Power of Attorney dated October 8,  1997</signatureName>
        <signatureDate>2004-05-24</signatureDate>
    </ownerSignature>
</ownershipDocument>

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