(Used) 2008 Allison (AT), TRANSMISSION ASSEMBLY- Model: 2200HS, Serial Number: 6310869056, Engine: Cummins ISB 6.7, 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