International 6 Cylinder Diesel Engine, Engine Brake, Allison Automatic Transmission, Differential Lock, 16000 lb Front Axle, 40000 lb Rears, 56000 lb GVWR, 425/65R22.5 Front Tires, 11R24.5 Rear Tires, Dual Steering Boxes, 14 ft Long x 36 in High Steel Body, Electric Roll Tarp, Pintle Hitch, Hour Meter Reads 20339