Cummins ISX 6 Cylinder 15 L Diesel 600 hp Engine, 2008 US EPA Label, 20898 Engine hrs, Engine Brake, Eaton Fuller 18-Speed Manual Transmission, Double Differential Locks, 16000 lb Front Axle, 46000 lb Rears, 62000 lb GVWR, Air Ride Cab, Aluminum Wheels, 315/80R22.5 Front Tires, 11R22.5 Rear Tires, Dual Steering Boxes, Double Frame, Neway Air Ride Suspension, 230 in Wheelbase, Wet Kit, Air Sliding 5th Wheel, Headache Rack, Auto Lube, Dual Fuel Tanks