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
   OELSLAGER, JOHN K
   6035 PARKLAND BOULEVARD
   CLEVELAND, OH  44124-4141
   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
   May 30, 2001
5. If Amendment, Date of Original (Month/Year)
   June 11, 2001
6. Relationship of Reporting Person(s) to Issuer (Check all applicable)
   ( ) Director ( ) 10% Owner (X) Officer (give title below) ( ) Other
   (specify below)
   VICE PRESIDENT
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 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)|                           |
___________________________________________________________________________________________________________________________________|
                                                                            
Common Stock               |      |    | |                  |   |           |4,122.309(1)       |I     |(1)                        |
-----------------------------------------------------------------------------------------------------------------------------------|
Common Stock               |3/28/0|G   |V|13,269.00         |D  |           |6,323              |D     |                           |
                           |1     |    | |                  |   |           |                   |      |                           |
-----------------------------------------------------------------------------------------------------------------------------------|
Common Stock               |5/23/0|M   | |3,702(2)          |A  |$13.444    |10,033             |I(4)  |(3)                        |
                           |1     |    | |                  |   |           |                   |      |                           |
-----------------------------------------------------------------------------------------------------------------------------------|
Common Stock               |5/23/0|F   | |1,257             |D  |$50.02     |10,033             |I(4)  |(3)                        |
                           |1     |    | |                  |   |           |                   |      |                           |
-----------------------------------------------------------------------------------------------------------------------------------|
Common Stock               |5/23/0|M   | |4,028(5)          |A  |$20.167    |10,033             |I(4)  |(3)                        |
                           |1     |    | |                  |   |           |                   |      |                           |
-----------------------------------------------------------------------------------------------------------------------------------|
Common Stock               |5/23/0|F   | |1,368             |D  |$50.02     |10,033             |I(4)  |(3)                        |
                           |1     |    | |                  |   |           |                   |      |                           |
-----------------------------------------------------------------------------------------------------------------------------------|
Common Stock               |5/23/0|M   | |3,289(6)          |A  |$28.083    |10,033             |I(4)  |(3)                        |
                           |1     |    | |                  |   |           |                   |      |                           |
-----------------------------------------------------------------------------------------------------------------------------------|
Common Stock               |5/23/0|F   | |1,117             |D  |$50.02     |10,033             |I(4)  |(3)                        |
                           |1     |    | |                  |   |           |                   |      |                           |
-----------------------------------------------------------------------------------------------------------------------------------|
Common Stock               |5/23/0|M   | |14(7)             |A  |$43.042    |10,033             |I(4)  |(3)                        |
                           |1     |    | |                  |   |           |                   |      |                           |
-----------------------------------------------------------------------------------------------------------------------------------|
Common Stock               |5/23/0|F   | |5                 |D  |$50.02     |10,033             |I(4)  |(3)                        |
                           |1     |    | |                  |   |           |                   |      |                           |
-----------------------------------------------------------------------------------------------------------------------------------|
Common Stock               |5/23/0|M   | |4,160(7)          |A  |$31.3750   |10,033             |I(4)  |(3)                        |
                           |1     |    | |                  |   |           |                   |      |                           |
-----------------------------------------------------------------------------------------------------------------------------------|
Common Stock               |5/23/0|F   | |1,413             |A  |$50.02     |10,033             |I(4)  |(3)                        |
                           |1     |    | |                  |   |           |                   |      |                           |
-----------------------------------------------------------------------------------------------------------------------------------|
Common Stock               |3/28/0|G   |V|13,269            |G  |           |22,157             |I     |Joint with wife            |
                           |1     |    | |                  |   |           |                   |      |                           |
-----------------------------------------------------------------------------------------------------------------------------------|
___________________________________________________________________________________________________________________________________|

___________________________________________________________________________________________________________________________________
 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)|            |
___________________________________________________________________________________________________________________________________|
                                                                            
Phantom Stock Units   |1-for-1 |     |    | |           |   |     |     |            |       |       |1,005.614(9)|I  |(9)         |
-----------------------------------------------------------------------------------------------------------------------------------|
Option to Buy         |$13.444 |5/23/|M   | |5,063(2)   |D  |4/22/|4/21/|Common Stock|5,063(2|(10)   |0(11)       |D  |            |
                      |        |01   |    | |           |   |94   |04   |            |)      |       |            |   |            |
-----------------------------------------------------------------------------------------------------------------------------------|
Option to Buy         |$20.167 |5/23/|M   | |6,750(5)   |D  |2/02/|2/1/0|Common Stock|6,750(5|(10)   |0(11)       |D  |            |
                      |        |01   |    | |           |   |96   |5    |            |)      |       |            |   |            |
-----------------------------------------------------------------------------------------------------------------------------------|
Option to Buy         |$28.083 |5/23/|M   | |7,500(6)   |D  |1/30/|1/29/|Common Stock|7,500(6|(10)   |0(11)       |D  |            |
                      |        |01   |    | |           |   |98   |07   |            |)      |       |            |   |            |
-----------------------------------------------------------------------------------------------------------------------------------|
Option to Buy         |$43.0420|5/23/|M   | |105(7)     |D  |8/13/|8/12/|Common Stock|105(7) |(10)   |0(11)       |D  |            |
                      |        |01   |    | |           |   |98   |07   |            |       |       |            |   |            |
-----------------------------------------------------------------------------------------------------------------------------------|
Option to Buy         |$31.375 |5/23/|M   | |11,160(8)  |D  |8/12/|8/11/|Common Stock|11,160(|(10)   |0(11)       |D  |            |
                      |        |01   |    | |           |   |99   |08   |            |8)     |       |            |   |            |
-----------------------------------------------------------------------------------------------------------------------------------|
                      |        |     |    | |           |   |     |     |            |       |       |            |   |            |
___________________________________________________________________________________________________________________________________|

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 3,702
shares.
(3)  John K. Oelslager Revocable Trust.
(4)  On June 11, 2001, inadvertently reported the shares as being held directly
when in fact they were held by the John K. Oelslager Revocable Trust.
(5)  "Pyramid" stock option exercise resulting in net acquisition of 4,028
shares.
(6)  "Pyramid" stock option exercise resulting in net acquisition of 3,289
shares.
(7)  "Pyramid" stock option exercise resulting in net acquisition of 14
shares.
(8)  "Pyramid" stock option exercise resultin in net acquisition of 4,160
shares.
(9)  Savings Restoration Plan, as of March 30, 2001, the latest date for which
information is available.
(10)  Granted under the Corporation's 1993 Stock Incentive Program  in a
transaction exempt under Rule 16b-3.
(11)  In addition to the options reported hereon, Mr. Oelslager also owns
20,900 additonal 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 L. Meyer, Attorney-in-Fact
DATE
March 11, 2002