2001 Cummins ISB, Truck Tractor, Engine Assys, Fits to: Freightliner MT55 Chassis, (USED) 2000 Cummins ISB ENGINE ASSEMBLY- S/N-46043436 Family Number: YCEXH0359BAP HP: 185 Displacement: 5.9L CPL-2687 ECS-PCM For more information about this item call. We ship Worldwide. 929 W Pulaski Hwy Elkton, MD 21921, Horse Power 185, Serial# 46043436, Casting# 46043436 4UZAA5BW21CH98046