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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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MIC-Info: RSA-MD5,RSA,
 GArW7hMjXSDdC37dqkDeSfYtZXHn0XYSI0ul9BE9E63nV5NZ3jQRqbRqOD5gIVs7
 o5I4E60jhaTMywE0O2C7CA==

<SEC-DOCUMENT>0001271372-05-000004.txt : 20050611
<SEC-HEADER>0001271372-05-000004.hdr.sgml : 20050611
<ACCEPTANCE-DATETIME>20050607162825
ACCESSION NUMBER:		0001271372-05-000004
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050607
FILED AS OF DATE:		20050607
DATE AS OF CHANGE:		20050607

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MOHAWK INDUSTRIES INC
		CENTRAL INDEX KEY:			0000851968
		STANDARD INDUSTRIAL CLASSIFICATION:	CARPETS AND RUGS [2273]
		IRS NUMBER:				521604305
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		160 S INDUSTRIAL BLVD
		STREET 2:		PO BOX 12069
		CITY:			CALHOUN
		STATE:			GA
		ZIP:			30701
		BUSINESS PHONE:		706-624-2246

	MAIL ADDRESS:	
		STREET 1:		P O BOX 12069
		CITY:			CALHOUN
		STATE:			GA
		ZIP:			30703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LORBERBAUM MARK
		CENTRAL INDEX KEY:			0001271372

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13697
		FILM NUMBER:		05883146

	MAIL ADDRESS:	
		STREET 1:		C/O MOHAWK INDUSTRIES INC
		STREET 2:		2500 SW 32ND AVE
		CITY:			PEMBROOKE PARK
		STATE:			FL
		ZIP:			33023
</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>2005-06-07</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000851968</issuerCik>
        <issuerName>MOHAWK INDUSTRIES INC</issuerName>
        <issuerTradingSymbol>mhk</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001271372</rptOwnerCik>
            <rptOwnerName>LORBERBAUM MARK</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MOHAWK INDUSTRIES INC</rptOwnerStreet1>
            <rptOwnerStreet2>2500 SW 32ND AVE</rptOwnerStreet2>
            <rptOwnerCity>PEMBROOKE PARK</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33023</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Possible 10% group member</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2005-06-07</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>11825</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>84.56</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2735604</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Fam. L.P.</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/s/ Mark Lorberbaum</signatureName>
        <signatureDate>2005-06-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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