2011 Allison 1000HS, TRUCK DELIVERY, Transmission Assys, Fits to: Workhorse Custom Chassis W62, (Used) 2011 Allison ( AT ), TRANSMISSION ASSEMBLY- Model: 1000HS, Serial Number: 6311056738, Engine: Cummins ISB, Reference for 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 219, Serial# 6311056738, Casting# 6311056738, Truck Year 2011 5B4LFG2E3B3445093