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 PARKER, PATRICK S Parker-Hannifin Corporation 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 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 ( ) Officer (give title below) (X) Other (specify below) Chairman Emeritus 7. Individual or Joint/Group Filing (Check Applicable Line) ( ) 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 |1/24/0|I |V|13,773 |D |$43.5625 |26,265(1) |I |(1) | |1 | | | | | | | | | -----------------------------------------------------------------------------------------------------------------------------------| Common Stock |1/3/01|G |V|5,050 |D | |648,745 |D | | -----------------------------------------------------------------------------------------------------------------------------------| Common Stock |3/9/01|G |V|2,400 |D | |648,745 |D | | -----------------------------------------------------------------------------------------------------------------------------------| ___________________________________________________________________________________________________________________________________| ___________________________________________________________________________________________________________________________________ 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)| | ___________________________________________________________________________________________________________________________________| | | | | | | | | | | | | | | | ___________________________________________________________________________________________________________________________________| Explanation of Responses: (1) Parker Retirement Savings Plan, as of March 27, 2001, the most recent date for which information is available. SIGNATURE OF REPORTING PERSON Thomas L. Meyer, Attorney-in-Fact DATE April 10, 2001