2007 Allison 3000RDSP, Truck Delivery, Transmission Assys, Fits to: Chevrolet C8500, (Used) 2006 Allison (AT), TRANSMISSION ASSEMBLY- Model: 3500RDSP, Serial Number: 6510670937, Engine: Caterpillar 3126, 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# 6510670937, Truck Year 2007, VIN 1GBM8E1C07F401981 1GBM8E1C07F401981