Machine description: Cat 3406 6 Cylinder 14.6 L Diesel Engine, 1992 US EPA Label, 638 Engine hrs, Engine Brake, Manual Transmission, 18740 lb Front Axle, 45120 lb Rears, 63860 lb GVWR, Aluminum Wheels, 385/65R22.5 Front T... more info about the 1992 White / Gmc AUTOCAR.