GM V6 4.3 L Gasoline Engine, 2019 US EPA Label, Automatic Transmission, 4100 lb Front Axle, 6084 lb Rears, 9900 lb GVWR, 245/75R16, Spring Suspension, 140 in Wheelbase, Thermo King Reefer Unit, Supreme 12 ft x 90 in Wide x 72 in High Body, Walk-Up Ramp