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
   PIRAINO, THOMAS A.
   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)
   274-44-6268
4. Statement for Month/Year
   March 31, 2001
5. If Amendment, Date of Original (Month/Year)

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)
   ( ) Form filed by One Reporting Person
   ( ) Form filed by More than One Reporting Person


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 Table I -- Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned                                                 |
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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)|                           |
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Common Stock               |      |    | |                  |   |           |3,735.481(1)       |I     |(1)                        |
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Common Stock               |      |    | |                  |   |           |1,666              |D     |                           |
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 Table II -- Derivative Securitites Acquired, Disposed of, or Beneficially Owned                                                   |
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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)|            |
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Phantom Stock Units   |1-for-1 |     |    | |           |   |     |     |            |       |       |785.346(2)  |I  |(2)         |
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Option to Buy         |$35.9375|8/9/0|A   |V|7,780      |A  |8/9/0|8/8/1|Common Stock|7,780  |(3)    |7,780(4)    |D  |            |
                      |        |0    |    | |           |   |1    |0    |            |       |       |            |   |            |
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Option to Buy         |$35.9375|8/9/0|A   |V|7,780      |A  |8/9/0|8/8/1|Common Stock|7,780  |(3)    |7,780(4)    |D  |            |
                      |        |0    |    | |           |   |2    |0    |            |       |       |            |   |            |
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                      |        |     |    | |           |   |     |     |            |       |       |            |   |            |
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Explanation of Responses:
(1)  Parker Retirement Savings Plan, as of December 31, 2000, the latest date
for which information is available.
(2)  Savings Restoration Plan, as of December 29, 2000, the latest date for
which informaiton is available.
(3)  Granted under the Corporation's 1993 Stock Incentive Program in a
transaction exempt under Rule 16b-3.
(4)  Mr. Piraino owns 32,970 additional options 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
April 10, 2001