Soft Caterpillar 1925335-01, rating 500HP@2100rpm; 1750LB-FT@1200rpm. 1998 MY 500 HP FLEET 1750 ft-lb | | Low NOx Kit Software | | SOFTWARE DATE CODE: Apr00 | | INTERLOCK CODE: 425 | | Rating#1: | | 500HP@2100rpm, | | 1750LB-FT@1200rpm |