-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 Hkq8AQnvcRyoGSfyLps7ajlmCddSsAEwDEvtMyQllsZnsglGMPAVUCXYFGah2xgT
 5+8PmowiyF/m3Jj4+tBuIQ==

<SEC-DOCUMENT>0001239151-04-000005.txt : 20040927
<SEC-HEADER>0001239151-04-000005.hdr.sgml : 20040927
<ACCEPTANCE-DATETIME>20040927164228
ACCESSION NUMBER:		0001239151-04-000005
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040927
FILED AS OF DATE:		20040927
DATE AS OF CHANGE:		20040927

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:			PETERS DON S
		CENTRAL INDEX KEY:			0001239151

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-12619
		FILM NUMBER:		041047595

	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
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-09-27</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001239151</rptOwnerCik>
            <rptOwnerName>PETERS DON S</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>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Collins Industries, Inc. - Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-09-27</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2449</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>4.95</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>99295</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/s/ Larry W. Sayre, Attorney in Fact for Don S. Peters under a Limited Power of Attorney dated March 5, 1997</signatureName>
        <signatureDate>2004-09-27</signatureDate>
    </ownerSignature>
</ownershipDocument>

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