Machine description: Cummins N14 6 Cylinder 14 L Diesel 435 hp Engine, 1998 US EPA Label, Engine Brake, 13-Speed Manual Transmission, 12000 lb Front Axle, 40000 lb Rears, 52000 lb GVWR, Aluminum Wheels, 385/65R22.5 Front ... more info about the 1999 Western Star 4900E.