Soft Caterpillar 1919931-00, rating 394HP@1800rpm; 1452LB-FT@1200rpm; 394HP@2100rpm; 1452LB-FT@1200rpm. 1998 MY 395 HP, 1800 & 2100 RPM | | 1450 lb-ft | | Low NOx Kit Software | | SOFTWARE DATE CODE: Apr00 | | INTERLOCK CODE: 325 | | Rating#1: | | 394HP@1800rpm, | | 1452LB