2001 Cummins ISB, Truck Delivery, Engine Assys, Fits to: Freightliner MT55 Chassis, 2002 Cummins ISB, (Reman 2012) S/N-60269231 P/N-2CEXH0359BAB H/P-185 CPL-2687 C.I.D.-5.9L ECS-N/A MODEL-DR1581-RX SERIES-B FOR MORE INFOMATION ABOUT THIS ITEM CALL. WE SHIP WORLDWIDE., Horse Power 185, Serial# 60269231, Casting# 60269231 4UZAA5BW31CH98055