Cummins ISM 6 Cylinder Ultra Low Sulfur Diesel Engine, 18134 Engine hrs, Engine Brake, Eaton Fuller Manual Transmission, Differential Lock, 20000 lb Front Axle, 46000 lb Rears, 66000 lb GVWR, Air Ride Cab, Aluminum Outer Wheels, 315/80R22.5 Front Tires, 11R24.5 Rear Tires, Dual Steering Boxes, Double Frame, Hendrickson Air Ride Suspension, 242 in Wheelbase, PTO, Stellar 174-20-52 Roll-Off Body, 18 ft Hoist