(Used) 2008 Allison (AT), TRANSMISSION ASSEMBLY- Model: 3500RDS, Serial Number: 6510833851, Part Number: C07-00044-360, Engine: Cummins ISC 260, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921