(Used) 2006 Allison (AT), TRANSMISSION ASSEMBLY- REMANUFACTURED- Model: 1000RETRAN Serial Number: 9630033707, Part Number: 29544702 Engine: Mercedes MBE 900, For more information about this item, give us a call. We ship worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921