(Used) 2000 Allison (AT), TRANSMISSION ASSEMBLY- Model: MT653, Serial Number: 2410377336, Part Number: 29501931, Engine: DT466, 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