2011 Allison 1000HS, Truck Delivery, Transmission Assys, Fits to: Workhorse Custom Chassis W62, (Used) 2010 Allison (AT), TRANSMISSION ASSEMBLY- Remanufactured, Model: 1000HS Serial Number: 1374520, Part Number: E018571, Engine: GM Chev 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# 1374520, Casting# 1374520, Truck Year 2011 5B4LFG2E4B3447337