Soft Caterpillar 1919920-00, rating 335HP@1800rpm; 1252LB-FT@1200rpm; 370HP@1800rpm; 1351LB-FT@1200rpm. 1998 MY 335/370 HP Multi-torque, 1800 RPM | | Low Nox Kit Software | | SOFTWARE DATE CODE: Apr00 | | INTERLOCK CODE: 329 | | Rating#1: | | 335HP@1800rpm, | | 1252LB-FT@1200r