2000 Eaton/Fuller RTX15710B, Truck Tractor, Transmission Assys, Fits to: Peterbilt 379, (Used) 1999 Eaton/ Fuller (MT), TRANSMISSION ASSEMBLY- Model: RTX15710B, Serial Number: T0056845, Part Number: 0530-0434-01, Engine: Caterpillar C12, 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# T0056845, Casting# T0056845, Truck Year 2000 1XP5DU9X8YD512903