-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 TAjnOG685d1zpolpyPHzWATg8eTax+/9EeN9eihiEBn1Aj7GDvhBIU2tmvTF/70u
 1leryKMadXoPxIMCO//oyA==

<SEC-DOCUMENT>0001127602-11-000747.txt : 20110104
<SEC-HEADER>0001127602-11-000747.hdr.sgml : 20110104
<ACCEPTANCE-DATETIME>20110104171407
ACCESSION NUMBER:		0001127602-11-000747
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20110101
FILED AS OF DATE:		20110104
DATE AS OF CHANGE:		20110104

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Wong Eugene
		CENTRAL INDEX KEY:			0001317976

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09172
		FILM NUMBER:		11507163

	MAIL ADDRESS:	
		STREET 1:		5875 LANDERBROOK DRIVE, STE. 300
		CITY:			MAYFIELD HEIGHTS
		STATE:			OH
		ZIP:			44124

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NACCO INDUSTRIES INC
		CENTRAL INDEX KEY:			0000789933
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL TRUCKS TRACTORS TRAILERS & STACKERS [3537]
		IRS NUMBER:				341505819
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		5875 LANDERBROOK DR
		CITY:			CLEVELAND
		STATE:			OH
		ZIP:			44124-4069
		BUSINESS PHONE:		4404499600

	MAIL ADDRESS:	
		STREET 1:		5875 LANDERBROOK DR
		CITY:			CLEVELAND
		STATE:			OH
		ZIP:			44124
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2011-01-01</periodOfReport>

    <issuer>
        <issuerCik>0000789933</issuerCik>
        <issuerName>NACCO INDUSTRIES INC</issuerName>
        <issuerTradingSymbol>NC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001317976</rptOwnerCik>
            <rptOwnerName>Wong Eugene</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>NACCO INDUSTRIES, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>5875 LANDERBROOK DRIVE, STE. 300</rptOwnerStreet2>
            <rptOwnerCity>CLEVELAND</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>44124</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2011-01-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>72</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3912</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2011-01-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>72</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3984</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Shares of Class A Common Stock awarded to the Reporting Person as &quot;Required Shares&quot; under the company's Non-Employee Directors' E
quity Compensation Plan.</footnote>
        <footnote id="F2">Shares of Class A Common Stock awarded to the Reporting Person as &quot;Voluntary Shares&quot; under the company's Non-Employee Directors'
Equity Compensation Plan.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Suzanne S. Taylor, attorney-in-fact for Eugene Wong</signatureName>
        <signatureDate>2011-01-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----