2012 Allison 2200HS, Truck Delivery, Transmission Assys, Fits to: Freightliner MT55, (Used) 2011 Allison (AT), TRANSMISSION ASSEMBLY- Model: 2200HS, Serial Number: 6311068054, Part Number: E018570, Engine: GM/Chev (HD), 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# 6311068054, Casting# 6311068054, Truck Year 2012 4UZAC3DV2CCBL0138