Machine description: Mercedes-Benz OM460LA 6 Cylinder 12.8 L Diesel 450 hp Engine, 2004 US EPA Label, Engine Brake, Eaton Fuller RTLO-16918B 18-Speed Transmission, Double Differential Locks, 16000 lb Front Axle, 46000 lb ... more info about the 2005 Western Star 4900 FA.