SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                             ----------------------

                                    FORM 8-K

                                 CURRENT REPORT
                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934


Date of report (Date of earliest event reported):   February 5, 2003
                                                   -------------------

                           PARKER-HANNIFIN CORPORATION
                           ---------------------------
                Exact Name of Registrant as Specified in Charter)


             Ohio                     1-4982               34-0451060
-------------------------------    ------------       ------------------------
 (State or Other Jurisdiction      (Commission             (IRS Employer
       of Incorporation)           File Number)          Identification No.)


       6035 Parkland Blvd., Cleveland, Ohio                   44124-4141
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     (Address of Principal Executive Offices)                (Zip Code)


Registrant's telephone number, including area code:  (216) 896-3000
                                                     ----------------

                                 Not Applicable
         --------------------------------------------------------------
          (Former Name or Former Address, if Changed Since Last Report)




ITEM 5.  OTHER EVENTS.

         Parker-Hannifin Corporation (the "Company") is filing herewith the
following exhibits to its Registration Statement on Form S-3 (File No.
333-82806), which was declared effective as of February 25, 2002:

         1.   Opinion of Jones Day relating to certain tax matters; and

         2.   Consent of Jones Day.

ITEM 7.  EXHIBITS.

         (c)      Exhibits.

         Exhibit
         Number         Description
         ------         -----------

           8.1          Opinion of Jones Day as to certain tax matters.

           23.1         Consent of Jones Day (included as part of Exhibit 8.1).




                                   SIGNATURES

         Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                       PARKER-HANNIFIN CORPORATION


                                       By: /s/ THOMAS A. PIRAINO, JR.
                                          --------------------------------------
                                           Name:  Thomas A. Piraino, Jr.
                                           Title: Vice President and Secretary





Date:  February 7, 2003




                                  EXHIBIT INDEX

         Exhibit
         Number         Description
         ------         -----------

           8.1          Opinion of Jones Day as to certain tax matters.

           23.1         Consent of Jones Day (included as part of Exhibit 8.1).