2007 Allison 1000 SERIES, Truck Delivery, Transmission Assys, Fits to: Freightliner MT45 Chassis, (USED) 2006 Allison (AT) 1000series, TRANSMISSON. S/N-6310036841 P/N-29544726 Model-1000series For more information about this item call. We ship Worldwide. 929 W Pulaski Hwy Elkton, MD 21921, Serial# 6310036841, Casting# 6310036841, Truck Year 2007 4UZAANCP57CX32734