    <SEC-DOCUMENT>0000789933-21-000017-index.html : 20210331
    <SEC-HEADER>0000789933-21-000017.hdr.sgml : 20210331
    <ACCEPTANCE-DATETIME>20210331125057
    ACCESSION NUMBER:		0000789933-21-000017
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		4
    CONFORMED PERIOD OF REPORT:	20210519
    FILED AS OF DATE:		20210331
    DATE AS OF CHANGE:		20210331

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			NACCO INDUSTRIES INC
    		CENTRAL INDEX KEY:			0000789933
    		STANDARD INDUSTRIAL CLASSIFICATION:	HOUSEHOLD APPLIANCES [3630]
    		IRS NUMBER:				341505819
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-09172
    		FILM NUMBER:		21791804

    	BUSINESS ADDRESS:
    		STREET 1:		5875 LANDERBROOK DR
    		STREET 2:		SUITE 220
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44124-4069
    		BUSINESS PHONE:		4402295123

    	MAIL ADDRESS:
    		STREET 1:		5875 LANDERBROOK DR
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44124
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>ncdef14a2021.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: ncdef14a2021.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>image1.jpg
    <TEXT>
    Document 2 - file: image1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>image2.jpg
    <TEXT>
    Document 3 - file: image2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>nacco2ctrademarkrgb1.jpg
    <TEXT>
    Document 4 - file: nacco2ctrademarkrgb1.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>