Machine description: Cummins NTC400 6 Cylinder Diesel 400 hp Engine, Engine Brake, 5x2 Transmission, 16000 lb Front Axle, 46000 lb Rears, 28129 kg GVWR, Air Ride Cab, 315/80R22.5 Front Tires, 11R22.5 Rear Tires, Neway Air... more info about the 1993 Western Star 4964.