Cummins ISX15 15 L Diesel 450 hp Engine, 2016 US EPA Label, Requires Diesel Exhaust Fluid, 17103 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Automatic Transmission, Differential Lock, 12350 lb Front Axle, 40000 lb Rears, 52350 lb GVWR, Air Ride Cab, 72 in Mid Roof Sleeper Cab, Cooperbussman Auxiliary Power Unit, Aluminum Wheels, 295/75R22.5, Air Ride Suspension, 575 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks