GM V8 8.1 L Gasoline Engine, 2002 US EPA Label, GM Automatic Transmission, Differential Lock, 5000 lb Front Axle, 11000 lb Rears, 15000 lb GVWR, 225/70R19.5 Front Tires, 225/70R19.5 Rear Tires, Spring Suspension, 156 in Wheelbase, 2001 Steelweld Corporation 11 ft Body, Onan Commercial 6500 6500 W Gasoline Generator Set