Exhibit (10)(i)* to Report
                              on Form 10-K for Fiscal
                              Year Ended June 30, 1998
                           by Parker-Hannifin Corporation





                 Parker-Hannifin Corporation 1999 Target Incentive
                              Bonus Plan Description





              *Numbered in accordance with Item 601 of Regulation S-K.

      PARKER-HANNIFIN CORPORATION 1999 TARGET INCENTIVE BONUS PLAN

A.    Payments earned under the Bonus Plan depend upon the Company's 
      performance against a pre-tax return on average assets (ROAA) schedule 
      which is based upon the Fiscal Year 1999 operating plan.

B.    The payout under the Plan ranges from 15% to 150% of each participant's 
      target award, with 100% payout set at achievement of fiscal year 1999 
      planned ROAA.

C.    Any payout pursuant to the Plan that will result in the exceedance of 
      the $1 million cap on the tax deductibility of executive compensation 
      will be deferred until such time in the earliest subsequent fiscal year 
      that such cap will not be exceeded.

D.    Participants:  All of the executive officers of the Company, plus Group
      Presidents who are not executive officers.

E.    Fiscal year 1999 Planned ROAA:  15.4%


           ROAA Payout Schedule
           --------------------
       FY99             Percentage of Target
       ROAA                 Award Paid*      
       ----             --------------------
      < 3.2%                      0%
        3.2%                     30%
        5.2%                     40%
        7.0%                     50%
        8.8%                     60%
       10.5%                     70%
       11.0%                     73%
       12.2%                     80%
       13.8%                     90%
       15.4%                    100%
       16.3%                    113%
       17.1%                    125%
       17.9%                    138%
       18.7%                    150%

   * Fiscal year 1999 ROAA less than 11.0% will reduce the amount paid by 50%.


F.    ROAA will not include the impact of:

      1.  Environmental costs in excess of planned amounts

      2.  Acquisitions/divestitures

      3.  Currency gains or losses