1990 Allison AT545, Truck Delivery, Transmission Assys, Fits to: Mobil M9 Sweeper, (Used) 1989, Allison (AT), TRANSMISSION ASSEMBLY- Model: AT545, Serial Number: 3210496099, Part Number: 23015190, Engine: Chev GM V8-8.2, 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# 3210496099, Casting# 3210496099, Truck Year 1990 1A9C23DR5LR059051