1 EXHIBIT 12.4 PACCAR Financial Corp. COMPUTATION OF RATIOS FOR ALLOWANCE FOR LOSSES ---------------------------------------------- ON RECEIVABLES AND PAST DUE LEVELS ---------------------------------- (Thousands of Dollars) Year Ended December 31 ----------------------------------- 1993 1992 1991 ---------- ---------- ---------- Net credit losses $ 3,919 $ 8,611 $ 21,237 Allowance for losses at end of period 24,000 21,840 21,840 Average net receivables and equipment on operating leases 1,320,214 1,124,850 1,105,857 Period end net receivables and equipment on operating leases 1,505,872 1,179,225 1,107,579 Period end gross retail contracts and leases past due over 60 days 5,704 15,184 23,370 Period end gross retail contracts and lease receivables (1) 1,436,639 1,022,382 977,880 Ratios: Net credit losses to average net receivables and equipment on operating leases .30% .77% 1.92% Allowance for losses to period end net receivables and equipment on operating leases 1.59% 1.85% 1.97% Period end gross retail contracts and leases past due (over 60 days) to period end gross retail contracts and lease receivables .40% 1.49% 2.39% (1) Exclusive of Pledge Line receivables. -32-