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                                                                    EXHIBIT 12.3
                                   PACCAR Inc

               COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES
                     PURSUANT TO SEC REPORTING REQUIREMENTS
                             (Thousands of Dollars)





                                                     Nine Months Ended
                                                       September 30
                                                   1994            1993    
                                                -------------------------
                                                           
FIXED CHARGES                                              
  Interest expense                                         
       PACCAR Inc and subsidiaries (1)          $ 62,001         $ 47,323
                                                           
  Portion of rentals deemed interest               4,121            4,501
                                                --------         --------
                                                           
       TOTAL FIXED CHARGES                      $ 66,122         $ 51,824
                                                ========         ========
                                                           
EARNINGS                                                   
  Income before taxes -                                    
       PACCAR Inc and subsidiaries              $230,205         $150,764
                                                             
  Fixed charges                                   66,122           51,824
                                                --------         --------
                                                           
       EARNINGS AS DEFINED                      $296,327         $202,588
                                                ========         ========
                                                           
                                                               
RATIO OF EARNINGS TO FIXED CHARGES                 4.48X            3.91X
                                                   


(1) Exclusive of interest, if any, paid to PACCAR Inc.





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