Soft Caterpillar 1919921-00, rating 335HP@1800rpm; 1252LB-FT@1200rpm; 335HP@1800rpm; 1351LB-FT@1200rpm; 335HP@2100rpm; 1251LB-FT@1200rpm. 1998 MY 335 HP | | 1250 & 1350 lb-ft | | Low NOx Kit Software | | SOFTWARE DATE CODE: Apr00 | | INTERLOCK CODE: 326 | | Rating#1: | | 335HP@18