2007 Allison 1000HS, , Transmission Assys, Fits to: Other Other, (USED) 2006 Allison (AT), Transmisson. S/N-6310675793 P/N-06G20 Model-1000HS For more information about this item call. We ship Worldwide. 929 W Pulaski Hwy Elkton, MD 21921, Serial# 6310675793, Casting# 6310675793, Truck Year 2007