<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM CONSOLIDATED
BALANCE SHEET AND CONSOLIDATED STATEMENTS OF INCOME AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED> 
<CIK> 0000060751
<NAME> THE LUBRIZOL CORPORATION
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
                                                  
<PERIOD-TYPE>                   3-MOS                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1996             DEC-31-1996
<PERIOD-START>                             JAN-01-1996             JAN-01-1996
<PERIOD-END>                               MAR-31-1996             JUN-30-1996
<EXCHANGE-RATE>                                      1                       1
<CASH>                                          41,294                  60,690
<SECURITIES>                                         0                       0
<RECEIVABLES>                                  242,124                 239,082
<ALLOWANCES>                                     1,212                   1,262
<INVENTORY>                                    297,364                 267,814
<CURRENT-ASSETS>                               642,507                 632,578
<PP&E>                                       1,457,444               1,474,658
<DEPRECIATION>                                 777,615                 792,572
<TOTAL-ASSETS>                               1,429,743               1,419,177
<CURRENT-LIABILITIES>                          243,664                 220,716
<BONDS>                                        152,358                 184,947
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                        81,618                  80,365
<OTHER-SE>                                     772,321                 754,494
<TOTAL-LIABILITY-AND-EQUITY>                 1,429,743               1,419,177
<SALES>                                        405,412                 825,943
<TOTAL-REVENUES>                               407,101                 828,470
<CGS>                                          273,595                 562,119
<TOTAL-COSTS>                                  273,595                 562,119
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                    36                      62
<INTEREST-EXPENSE>                               3,094                   5,408
<INCOME-PRETAX>                                106,717                 162,293
<INCOME-TAX>                                    35,481                  52,987
<INCOME-CONTINUING>                                  0                       0
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                    71,236                 109,306
<EPS-PRIMARY>                                     1.14                    1.77
<EPS-DILUTED>                                     1.14                    1.77