(Used) 1993 Allison (AT), TRANSMISSION ASSEMBLY- Model: HT740, Serial Number: 2510187133, Part Number: 2304067394A20, Engine: Detroit 8V92TA, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921