<SEC-DOCUMENT>0000029644-19-000044-index.html : 20191206
<SEC-HEADER>0000029644-19-000044.hdr.sgml : 20191206
<ACCEPTANCE-DATETIME>20191206120757
ACCESSION NUMBER:		0000029644-19-000044
CONFORMED SUBMISSION TYPE:	10-Q/A
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20190430
FILED AS OF DATE:		20191206
DATE AS OF CHANGE:		20191206

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DONALDSON CO INC
		CENTRAL INDEX KEY:			0000029644
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL & COMMERCIAL FANS & BLOWERS & AIR PURIFYING EQUIP [3564]
		IRS NUMBER:				410222640
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0731

	FILING VALUES:
		FORM TYPE:		10-Q/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-07891
		FILM NUMBER:		191272393

	BUSINESS ADDRESS:	
		STREET 1:		1400 W. 94TH ST.
		CITY:			MINNEAPOLIS
		STATE:			MN
		ZIP:			55431
		BUSINESS PHONE:		6128873131

	MAIL ADDRESS:	
		STREET 1:		1400 W 94TH STREET
		CITY:			MINNEAPOLIS
		STATE:			MN
		ZIP:			55431
</SEC-HEADER>
<DOCUMENT>
<TYPE>10-Q/A
<SEQUENCE>1
<FILENAME>dci201943010-qxa.htm
<TEXT>
Document 1 - file: dci201943010-qxa.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.A
<SEQUENCE>2
<FILENAME>exhibit31-a2019430xa.htm
<DESCRIPTION>EXHIBIT 31.A
<TEXT>
Document 2 - file: exhibit31-a2019430xa.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.B
<SEQUENCE>3
<FILENAME>exhibit31-b2019430xa.htm
<DESCRIPTION>EXHIBIT 31.B
<TEXT>
Document 3 - file: exhibit31-b2019430xa.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-32
<SEQUENCE>4
<FILENAME>exhibit322019430-a.htm
<DESCRIPTION>EXHIBIT 32
<TEXT>
Document 4 - file: exhibit322019430-a.htm

</DOCUMENT>
</SEC-DOCUMENT>