2008 Allison 2200RDS, Truck Delivery, Transmission Assys, Fits to: GMC C5500, (Used) 2007 Allison (AT), TRANSMISSION ASSEMBLY- Model: 2200RDS, Serial Number: 6310807526, Engine: GM/Chev (HD) 6.6L DURAMAX, For more information about this item, give us a call.We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921, Serial# 6310807526, Truck Year 2008, VIN 1GDG5C1908F401826 1GDG5C1908F401826