2000 Allison MD3060, Truck Delivery, Transmission Assys, Fits to: Chevrolet C7500, (Used) 1999 Allison (AT), TRANSMISSION ASSEMBLY- Model: MD3060 Serial Number: 6510263761 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# 6510263761, Casting# 6510263761, Truck Year 2000 1GBP7H1C7YJ521664