-----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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 tUUcS7Hg5+265fw55uut/w==

<SEC-DOCUMENT>0001239147-03-000001.txt : 20030722
<SEC-HEADER>0001239147-03-000001.hdr.sgml : 20030722
<ACCEPTANCE-DATETIME>20030722121805
ACCESSION NUMBER:		0001239147-03-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030721
FILED AS OF DATE:		20030722

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:			COLLINS DONALD LYNN
		CENTRAL INDEX KEY:			0001239147

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-12619
		FILM NUMBER:		03795930

	BUSINESS ADDRESS:	
		STREET 1:		C/O COLLINS INDUSTRIES INC
		STREET 2:		15 COMPUND 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
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>

<ownershipDocument>

    <documentType>4</documentType>

    <periodOfReport>2003-07-21</periodOfReport>


    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001239147</rptOwnerCik>
            <rptOwnerName>COLLINS DONALD LYNN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Pres. &amp; Chief Exec. Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeSecurity>
        <securityTitle>
            <value>Collins Industries, Inc. - Common Stock</value>
        </securityTitle>
        <transactionDate>
            <value>2003-07-21</value>
        </transactionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>F</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>
            <footnoteId id="F1"/>
        </transactionCoding>
        <transactionTimeliness>
            <value></value>
        </transactionTimeliness>
        <transactionAmounts>
            <transactionShares>
                <value>11008</value>
            </transactionShares>
            <transactionValue>
                <value>3.25</value>
            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>D</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>550989</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
    </nonDerivativeSecurity>

    <footnotes>
        <footnote id="F1">Exchange of previously held shares for payment of taxes on restricted stock</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Larry W. Sayre, Attorney in Fact for Donald Lynn Collins under a Limited Power of Attorney dated December 4, 1997</signatureName>
        <signatureDate>2003-07-22</signatureDate>
    </ownerSignature>

</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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