Soft Caterpillar 1900239-00, rating 390HP@2100rpm; 1450LB-FT@1200rpm. 405 HP 1450 PT Truck (Dome) | | Low NOx Kit Software | | SOFTWARE DATE CODE: Dec99 | | INTERLOCK CODE: 308 | | Rating#1: | | 390HP@2100rpm, | | 1450LB-FT@1200rpm |