Cummins N14 6 Cylinder 14.0 L Diesel 460 hp Engine, 1997 US EPA Label, Engine Brake, Eaton Fuller 18-Speed Manual Transmission, Differential Lock, 12860 lb Front Axle, 44000 lb Rears, 56860 lb GVWR, Air Ride Cab, Aluminum Wheels, 385/65R22.5 Front Tires, 11R24.5 Rear Tires, Air Trac Air Ride Suspension, 244 in Wheelbase, PTO, Steel Tank, 3 Compartments