EXHIBIT 12.2 PACCAR Financial Corp. COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES PURSUANT TO THE SUPPORT AGREEMENT BETWEEN THE COMPANY AND PACCAR (Thousands of Dollars) Three Months Ended March 31 2000 1999 ------------------------------------- FIXED CHARGES Interest expense $ 40,305 $ 30,303 Facility and equipment rental 235 232 ------------------------------------- TOTAL FIXED CHARGES $ 40,540 $ 30,535 ------------------------------------- EARNINGS Income before taxes $ 13,097 $ 12,545 Depreciation 1,397 1,596 ------------------------------------- 14,494 14,141 Fixed charges 40,540 30,535 ------------------------------------- EARNINGS AS DEFINED $ 55,034 $ 44,676 ------------------------------------- RATIO OF EARNINGS TO FIXED CHARGES 1.36x 1.46x -13-