Soft Caterpillar 1925341-00, rating 549HP@2100rpm; 1849LB-FT@1200rpm. 1998 MY 550 HP 1850 ft-lb | | Low NOx Kit Software | | SOFTWARE DATE CODE: Apr00 | | INTERLOCK CODE: 423 | | Rating#1: | | 549HP@2100rpm, | | 1849LB-FT@1200rpm |