<ARTICLE>  5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
PARKER-HANNIFIN CORPORATION'S REPORT ON FORM 10-Q FOR ITS QUARTERLY PERIOD
ENDED DECEMBER 31, 1997 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO 
SUCH FINANCIAL STATEMENTS.

<MULTIPLIER> 1,000

       
                                        
<PERIOD-TYPE>                                    6-MOS
<FISCAL-YEAR-END>                          JUN-30-1998
<PERIOD-END>                               DEC-31-1997
<CASH>                                          36,681
<SECURITIES>                                         0
<RECEIVABLES>                                  530,912
<ALLOWANCES>                                     6,998
<INVENTORY>                                    825,042
<CURRENT-ASSETS>                             1,549,340
<PP&E>                                       2,234,620
<DEPRECIATION>                               1,177,452
<TOTAL-ASSETS>                               3,197,591
<CURRENT-LIABILITIES>                          802,387
<BONDS>                                        491,444
<COMMON>                                        55,906
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<OTHER-SE>                                   1,541,301
<TOTAL-LIABILITY-AND-EQUITY>                 3,197,591
<SALES>                                      2,198,117
<TOTAL-REVENUES>                             2,198,117
<CGS>                                        1,689,348
<TOTAL-COSTS>                                1,689,348
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                 1,035
<INTEREST-EXPENSE>                              23,519
<INCOME-PRETAX>                                231,899
<INCOME-TAX>                                    82,324
<INCOME-CONTINUING>                            149,575
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   149,575
<EPS-PRIMARY>                                     1.34
<EPS-DILUTED>                                     1.33