2007 Allison 2200HS, Truck Delivery, Transmission Assys, Fits to: Workhorse Custom Chassis W62, (Used) 2006 Allison (AT), TRANSMISSION ASSEMBLY- Model: 2200HS, Serial Number: 6310792651, Engine: GM/Chev (HD) 8.1L, 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# 6310792651, Casting# 6310792651, Truck Year 2007 5B4MPG2G173428237