General Motors L96 6.0 L Gasoline Engine • 2018 US EPA Label • Automatic Transmission • 6630 lb Front Axle • 11020 lb Rears • 14500 lb GVWR • 225/70R19.5 Front Tires • 225/70R19.5 Rear Tires • Spring Suspension • 132 in Wheelbase • Martins 14 ft Long x 48 in High Steel Body • Split Swing Tailgate • 2” receiving tube.