Cummins NTC 350 6 Cylinder Engine, Engine Brake, 13-Speed Transmission, 11560 lb Front Axle, 38000 lb Rears, 4.56:1 Axle Ratio, 49560 lb GVWR, Aluminum Wheels, 11R24.5 Front Tires, 11R24.5 Rear Tires, 234 in Wheelbase, PTO, 1 Compartments, Front Spray, Rear Spray, Side Spray