2011 Allison 2200HS, Truck Delivery, Transmission Assys, Fits to: Workhorse Custom Chassis W62, (Used) 2010 Allison (AT), TRANSMISSION ASSEMBLY- Model: 2200HS , Serial Number: 6311004360, Engine: GM/Chev (HD) 6.0L, 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# 6311004360, Casting# 6311004360, Truck Year 2011 5B4MFG2E0B3442866