2007 Allison 2200HS, Truck Delivery, Transmission Assys, Fits to: Freightliner MT55 Chassis, (Used) 2006 Allison (AT), TRANSMISSION ASSEMBLY- Model: 2200HS, Serial Number: 6310778411, Engine: Mercedes MBE 900, Reference images for condition. 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# 6310778411, Casting# 6310778411, Truck Year 2007 4UZAARCPX7CZ39451