1 EXHIBIT 12.1 PACCAR Financial Corp. COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES PURSUANT TO SEC REPORTING REQUIREMENTS (Thousands of Dollars) Six Months Ended June 30 1994 1993 ------------------------------ FIXED CHARGES Interest expense $27,948 $22,182 Portion of rentals deemed interest 113 106 ------- ------- TOTAL FIXED CHARGES $28,061 $22,288 ======= ======= EARNINGS Income before taxes $19,990 $14,498 Fixed charges 28,061 22,288 ------- ------- EARNINGS AS DEFINED $48,051 $36,786 ======= ======= 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-