Soft Caterpillar 1925334-00, rating 500HP@2100rpm; 1649LB-FT@1200rpm. 1998MY 500HP, 1650 lb-ft 2100RPM | | Uprate Only | | Low NOx Kit Software | | SOFTWARE DATE CODE: Apr00 | | INTERLOCK CODE: 462 | | Rating#1: | | 500HP@2100rpm, | | 1649LB-F