Soft Caterpillar 1900236-00, rating 379HP@1800rpm; 1450LB-FT@1200rpm; 410HP@1800rpm; 1550LB-FT@1200rpm. 380/410 HP 1450/1550 MT Truck | | Low NOx Kit Software | | SOFTWARE DATE CODE: Dec99 | | INTERLOCK CODE: 305 | | Rating#1: | | 379HP@1800rpm, | | 1450LB-FT@1200rpm | | R