Soft Caterpillar 1869904-00, rating 410HP@1800rpm; 1550LB-FT@1200rpm; 410HP@1800rpm; 1450LB-FT@1200rpm. 410 HP (1996) Truck | | Low NOx Kit Software | | 5EK67194-up | | SOFTWARE DATE CODE: Dec99 | | INTERLOCK CODE: 368 | | Rating#1: | | 410HP@1800rpm, | | 1550LB-FT@1200rpm