2008 Allison 2200HS, Truck Delivery, Transmission Assys, Fits to: Freightliner MT55 Chassis, (Used) 2007 Allison (AT) (Reman), TRANSMISSION ASSEMBLY- Model: 2200HS, Serial Number: 6310917506, Part Number: 29547852, Engine: Cummins ISB, 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# 6310917506, Casting# 6301917506, Truck Year 2008 4UZAARDU38CAA6334