Soft Caterpillar 1919938-00, rating 379HP@1800rpm; 1452LB-FT@1200rpm; 429HP@1800rpm; 1649LB-FT@1200rpm. 98MY 380/430 HP MT4 | | 1450/1650 lb-ft | | Low NOx Kit Software | | SOFTWARE DATE CODE: Apr00 | | INTERLOCK CODE: 322 | | Rating#1: | | 379HP@1800rpm, | | 1452LB-FT@120