1 EXHIBIT 12.1 PACCAR Financial Corp. 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 $44,397 $33,615 Portion of rentals deemed interest 170 161 ------- ------- TOTAL FIXED CHARGES $44,567 $33,776 ======= ======= EARNINGS Income before taxes $31,578 $22,005 Fixed charges 44,567 33,776 ------- ------- EARNINGS AS DEFINED $76,145 $55,781 ======= ======= RATIO OF EARNINGS TO FIXED CHARGES 1.71X 1.65X The method of computing the ratio of earnings to fixed charges shown above complies with SEC reporting requirements but differs from the method called for in the Support Agreement between the Company and PACCAR Inc. See Exhibit 12.2. -10-