(Used) 2003 Allison (AT) , TRANSMISSION ASSEMBLY- REMANUFACTURED- Model: 2400 RETRAN, Serial: TBD, Part Number: 29542630, Engine: Caterpillar C7, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921