Soft Caterpillar 1851226-00, rating 500HP@2100rpm; 1849LB-FT@1200rpm; 500HP@1800rpm; 1849LB-FT@1200rpm. 500 HP1850lb-ft w/ BrkSvr 2300 TEL | | Low NOx Kit Software | | 5EK67194-up | | SOFTWARE DATE CODE: Dec99 | | INTERLOCK CODE: 433 | | Rating#1: | | 500HP@2100rpm, | | 18