Soft Caterpillar 1869919-00, rating 474HP@2100rpm; 1649LB-FT@1200rpm; 500HP@2100rpm; 1849LB-FT@1200rpm. 475/500HP 1650/1850lb*ft MT4 Brksvr | | Low NOx Kit Software | | 5EK67194-up | | SOFTWARE DATE CODE: Dec99 | | INTERLOCK CODE: 383 | | Rating#1: | | 474HP@2100rpm, | | 1