Machine description: Cat 3406 6 Cylinder 14.6 L Diesel Engine, 1997 US EPA Label, 215521 Engine hrs, Spicer 6-Speed Manual Transmission, 2-Speed Auxiliary Transmission, 36000 lb Front Axle, 58000 lb Rears, 94000 lb GVWR, ... more info about the 1998 Western Star 6900.