<SEC-DOCUMENT>0000097134-18-000020-index.html : 20180615
<SEC-HEADER>0000097134-18-000020.hdr.sgml : 20180615
<ACCEPTANCE-DATETIME>20180615144947
ACCESSION NUMBER:		0000097134-18-000020
CONFORMED SUBMISSION TYPE:	11-K
PUBLIC DOCUMENT COUNT:		5
CONFORMED PERIOD OF REPORT:	20171231
FILED AS OF DATE:		20180615
DATE AS OF CHANGE:		20180615

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TENNANT CO
		CENTRAL INDEX KEY:			0000097134
		STANDARD INDUSTRIAL CLASSIFICATION:	REFRIGERATION & SERVICE INDUSTRY MACHINERY [3580]
		IRS NUMBER:				410572550
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		11-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-16191
		FILM NUMBER:		18901934

	BUSINESS ADDRESS:	
		STREET 1:		701 N LILAC DR
		STREET 2:		PO BOX 1452
		CITY:			MINNEAPOLIS
		STATE:			MN
		ZIP:			55440
		BUSINESS PHONE:		7635401200

	MAIL ADDRESS:	
		STREET 1:		701 N LILAC DR
		STREET 2:		PO BOX 1452
		CITY:			MINNEAPOLIS
		STATE:			MN
		ZIP:			55440

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TENNANT G H CO
		DATE OF NAME CHANGE:	19700515
</SEC-HEADER>
<DOCUMENT>
<TYPE>11-K
<SEQUENCE>1
<FILENAME>form11-k.htm
<DESCRIPTION>FORM 11-K
<TEXT>
Document 1 - file: form11-k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23
<SEQUENCE>2
<FILENAME>exhibit_23.htm
<DESCRIPTION>CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
<TEXT>
Document 2 - file: exhibit_23.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>a2017auditopinion1.jpg
<DESCRIPTION>AUDIT OPINION 2017 PLAN YEAR
<TEXT>
Document 3 - file: a2017auditopinion1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>a2017auditopinion2.jpg
<DESCRIPTION>AUDIT OPINION 2017 PLAN YEAR
<TEXT>
Document 4 - file: a2017auditopinion2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>a2017auditorconsent.jpg
<DESCRIPTION>CONSENT FOR 2017 PLAN YEAR
<TEXT>
Document 5 - file: a2017auditorconsent.jpg

</DOCUMENT>
</SEC-DOCUMENT>