EXHIBIT 12.2 PACCAR Financial Corp. COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES PURSUANT TO THE SUPPORT AGREEMENT BETWEEN THE COMPANY AND PACCAR INC (Thousands of Dollars) Three Months Ended March 31 1997 1996 - -------------------------------------------------------------------------------- FIXED CHARGES Interest expense $24,608 $24,675 Facility and equipment rental 178 177 - -------------------------------------------------------------------------------- TOTAL FIXED CHARGES $24,786 $24,852 - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- EARNINGS Income before taxes $12,744 $13,152 Depreciation 2,080 2,522 - -------------------------------------------------------------------------------- 14,824 15,674 Fixed charges 24,786 24,852 - -------------------------------------------------------------------------------- EARNINGS AS DEFINED $39,610 $40,526 - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- RATIO OF EARNINGS TO FIXED CHARGES 1.60X 1.63X - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- -11-