2001 Allison Other, Truck Delivery, Transmission Assys, Fits to: Freightliner MT55 Chassis, (Used) 2000 Allison, TRANSMISSION ASSEMBLY- Model: 1000 RETRAN, Serial Number: 9630012629 Engine Model: ISB, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921, Serial# 9630012629, Casting# 9630012629, Truck Year 2001 4UZAA5BW71CH98057