GMC Vortec V8 6.0 L Gasoline 341 hp Engine, 2019 US EPA Label, 2823 Engine hrs, 6-Speed Automatic Transmission, 4300 kg Front Axle, 8600 lb Rears, 3.73:1 Axle Ratio, 12300.0 lb GVWR, 225/75R16, Spring Suspension, 177 in Wheelbase, Morgan 16 ft x 96 in Wide x 78 in High Body, Walk-Up Ramp .