Detroit 6 Cylinder 15.6 L Diesel Engine, Engine Brake, Eaton Fuller 18-Speed Manual Transmission, Double Differential Locks, 16000 lb Front Axle, 46000 lb Rears, 62000 lb GVWR, Air Ride Cab, Aluminum Wheels, 425/65R22.5 Front Tires, 11R24.5 Rear Tires, Airliner Air Ride Suspension, 227 in Wheelbase, Headache Rack, On-Board Scale