(Used) 2006 Allison (AT) (Reman), TRANSMISSION ASSEMBLY, Model: 4500RM, Serial Number: 9430009312, Part Number: 29549560, Engine: Caterpillar C13, 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