2001 Cummins ISB, Truck Delivery, Engine Assys, Fits to: Freightliner MT55 Chassis, ( Used ) 2001 Cummins ISB, ENGINE ASSEMBLY- 2012 FACTORY REMAN Family Number: 2CEXH0359BAB Displacement: 5.9L Horsepower: 185 CPL: 2687 ESN: 60270003 Part Number: DR1581-RX For more information about this item, give us a call. We ship worldwide! ( CRG HEAVY TRUCK PARTS ) 929 W PULASKI HWY ELKTON, MD 21921, Horse Power 185, Serial# 60270003, Casting# 60270003 4UZAA5BW51CJ04740