(Used) 2000 Allison (AT), TRANSMISSION ASSEMBLY- Model: B500, Serial Number: 6610061471, Part Number: E00168300C17, Engine: Detroit SERIES 60, 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