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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 B1zxvJsh0itgFPCQeT7gznaMlvEt3eySicCmADcMgqAUqfCMxX73no44ArV/dn7G
 ig19A/aeLV06AnVXLSfdkQ==

<SEC-DOCUMENT>0001087963-01-500009.txt : 20010515
<SEC-HEADER>0001087963-01-500009.hdr.sgml : 20010515
ACCESSION NUMBER:		0001087963-01-500009
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20010430
FILED AS OF DATE:		20010514

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PARKER HANNIFIN CORP
		CENTRAL INDEX KEY:			0000076334
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS FABRICATED METAL PRODUCTS [3490]
		IRS NUMBER:				340451060
		STATE OF INCORPORATION:			OH
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		
		SEC FILE NUMBER:	001-04982
		FILM NUMBER:		1631674

	BUSINESS ADDRESS:	
		STREET 1:		6035 PARKLAND BOULEVARD
		CITY:			CLEVELAND
		STATE:			OH
		ZIP:			44124-4141
		BUSINESS PHONE:		2168963000

	MAIL ADDRESS:	
		STREET 1:		6035 PARKLAND BOULEVARD
		CITY:			CLEVELAND
		STATE:			OH
		ZIP:			44124-4141

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PARKER APPLIANCE CO
		DATE OF NAME CHANGE:	19670907
<REPORTING-OWNER>

COMPANY DATA:	
	COMPANY CONFORMED NAME:			DENNIS DANA A
	CENTRAL INDEX KEY:			0001087963
	STANDARD INDUSTRIAL CLASSIFICATION:	UNKNOWN SIC - 0000 [0000]
<RELATIONSHIP>OFFICER

FILING VALUES:
	FORM TYPE:		4

BUSINESS ADDRESS:	
	STREET 1:		PARKER HANNIFIO CORP
	STREET 2:		6035 PARKLAND BOULEVARD
	CITY:			CLEVELAND
	STATE:			OH
	ZIP:			44124
	BUSINESS PHONE:		2168962420

MAIL ADDRESS:	
	STREET 1:		PARKER HANNIFIN CORP
	STREET 2:		6035 PARKLAND BOULEVARD
	CITY:			CLEVELAND
	STATE:			OH
	ZIP:			44124
</REPORTING-OWNER>
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.txt
<DESCRIPTION>FORM 4 - APRIL 30, 2001
<TEXT>

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 4
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
( ) Check this box if no longer subject to Section 16.
Form 4 or Form 5 obligations may continue. See Instructions 1(b).
1. Name and Address of Reporting Person
   DENNIS, DANA A
   6035 PARKLAND BOULEVARD
   CLEVELAND, OH  44124
   USA
2. Issuer Name and Ticker or Trading Symbol
   PARKER-HANNIFIN CORPORATION
   PH
3. IRS or Social Security Number of Reporting Person (Voluntary)
   ###-##-####
4. Statement for Month/Year
   April 30, 2001
5. If Amendment, Date of Original (Month/Year)
   April 30, 2001
6. Relationship of Reporting Person(s) to Issuer (Check all applicable)
   ( ) Director ( ) 10% Owner (X) Officer (give title below) ( ) Other
   (specify below)
   CONTROLLER
7. Individual or Joint/Group Filing (Check Applicable Line)
   (X) Form filed by One Reporting Person
   ( ) Form filed by More than One Reporting Person
<TABLE>
<CAPTION>
___________________________________________________________________________________________________________________________________
 Table I -- Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned                                                 |
___________________________________________________________________________________________________________________________________|
1. Title of Security       |2.    |3.    |4.Securities Acquired (A)         |5.Amount of        |6.Dir |7.Nature of Indirect       |
                           | Transaction |  or Disposed of (D)              |  Securities       |ect   |  Beneficial Ownership     |
                           |      |      |                                  |  Beneficially     |(D)or |                           |
                           |      |    | |                  | A/|           |  Owned at         |Indir |                           |
                           | Date |Code|V|    Amount        | D |    Price  |  End of Month     |ect(I)|                           |
___________________________________________________________________________________________________________________________________|
<S>                        <C>    <C>  <C><C>               <C> <C>         <C>                 <C>    <C>
Common Stock               |      |    | |                  |   |           |4,701.22(1)        |I     |(1)                        |
- -----------------------------------------------------------------------------------------------------------------------------------|
Common Stock               |4/23/0|M   | |3,109(2)          |A  |$20.167    |903                |D     |                           |
                           |1     |    | |                  |   |           |                   |      |                           |
- -----------------------------------------------------------------------------------------------------------------------------------|
Common Stock               |4/23/0|F   | |1,056             |D  |$45.10     |903                |D     |                           |
                           |1     |    | |                  |   |           |                   |      |                           |
- -----------------------------------------------------------------------------------------------------------------------------------|
Common Stock               |4/24/0|S   | |2,053             |D  |$45.76     |903                |D     |                           |
                           |1     |    | |                  |   |           |                   |      |                           |
- -----------------------------------------------------------------------------------------------------------------------------------|
___________________________________________________________________________________________________________________________________|
<CAPTION>
___________________________________________________________________________________________________________________________________
 Table II -- Derivative Securitites Acquired, Disposed of, or Beneficially Owned                                                   |
___________________________________________________________________________________________________________________________________|
1.Title of Derivative |2.Con-  |3.   |4.    |5.Number of De |6.Date Exer|7.Title and Amount  |8.Price|9.Number    |10.|11.Nature of|
  Security            |version |Transaction | rivative Secu |cisable and|  of Underlying     |of Deri|of Deriva   |Dir|Indirect    |
                      |or Exer |     |      | rities Acqui  |Expiration |  Securities        |vative |tive        |ect|Beneficial  |
                      |cise    |     |      | red(A) or Dis |Date(Month/|                    |Secu   |Securities  |(D)|Ownership   |
                      |Price of|     |      | posed of(D)   |Day/Year)  |                    |rity   |Benefi      |or |            |
                      |Deriva- |     |      |               |Date |Expir|                    |       |ficially    |Ind|            |
                      |tive    |     |      |           | A/|Exer-|ation|   Title and Number |       |Owned at    |ire|            |
                      |Secu-   |     |    | |           | D |cisa-|Date |   of Shares        |       |End of      |ct |            |
                      |rity    |Date |Code|V|  Amount   |   |ble  |     |                    |       |Month       |(I)|            |
___________________________________________________________________________________________________________________________________|
<S>                   <C>      <C>   <C>  <C><C>        <C> <C>   <C>   <C>          <C>     <C>     <C>          <C> <C>
Phantom Stock Units   |1-for-1 |     |    | |           |   |     |     |            |       |       |456.469(3)  |I  |(3)         |
- -----------------------------------------------------------------------------------------------------------------------------------|
Option to Buy         |$20.167 |4/23/|M   | |5,625      |D  |2/2/0|2/1/0|Common Stock|5,625  |(4)    |0(5)        |D  |            |
                      |        |01   |    | |           |   |6    |5    |            |       |       |            |   |            |
- -----------------------------------------------------------------------------------------------------------------------------------|
                      |        |     |    | |           |   |     |     |            |       |       |            |   |            |
___________________________________________________________________________________________________________________________________|
</TABLE>
Explanation of Responses:
(1)  Parker Retirement Savings Plan, as of March 31, 2001, the latest date for
which information is available.
(2)  "Pyramid" stock option exercise resulting in net acquisition of 3,109
shares.
(3)  Savings Restoration Plan, as of March 30, 2001, the latest date for which
information is available.
(4)  Granted under the Corporation's 1993 Stock Incentive Program in a
transaction exempt under Rule 16b-3.
(5)  In addition to the options reported hereon, Mr. Dennis also owns 18,030
options which were granted pursuant to the Corporation's 1993 Stock Incentive
Program, at various exercise prices and
expiration dates, as previously reported.
SIGNATURE OF REPORTING PERSON
Thomas A. Piraino, Jr., Attorney-in-Fact
DATE
May 14, 2001
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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