Soft Caterpillar 1869927-00, rating 549HP@2100rpm; 1849LB-FT@1200rpm. 550 HP 1850 lb-ft BrkSvr, 2300 TEL | | Low NOx Kit Software | | 5EK00000-up | | SOFTWARE DATE CODE: Dec99 | | INTERLOCK CODE: 435 | | Rating#1: | | 549HP@2100rpm, | | 1849LB