2008 Allison 2200HS, Truck Delivery, Transmission Assys, Fits to: Freightliner MT55 Chassis, (Used) 2007 Allison (AT) (Reman), TRANSMISSON ASSEMBLY- Model: 2200HS, Serial Number: 6310804169, Part Number: 29547852, Engine: Comments 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# 6310804169, Casting# 6310804169, Truck Year 2008 4UZAARDU38CAA5510