2006 Cummins ISX, Engine Assys, (GOOD USED & TEST RUN & INTERNALLY INSPECTED) 2006 Cummins ISX Diesel Engine, CPL# 8520, 450HP @ 180RPM, CM870, 15.0L, 6 Cylinders, Turbocharged, FITS 2004 2005 2006, FAMILY# 6CEXH0912XAJ, Engine Configuration # D103004BB37, D103004BX03, Shop Order SO1680, Engine Serial# 79170838, Stock #6622