<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