Cummins ISX15 14.9 L Diesel Engine, 30246.7 Engine hrs, Air Conditioner, Cruise Control, Engine Brake, Eaton Fuller Manual Transmission, 3.42:1 Axle Ratio, 53200.0 lb GVWR, Air Ride Cab, 62 in Mid Roof Sleeper Cab, Bunk Beds, Bunk Heater, Thermo King Auxiliary Power Unit, Aluminum Wheels, Air Ride Suspension, 231 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks