Cummins ISX15 6 Cylinder 15.0 L Diesel 550 hp Engine, 2011 US EPA Label, CARB Compliant, Requires Diesel Exhaust Fluid, 16939 Engine hrs, Engine Brake, Eaton Fuller 18-Speed Manual Transmission, Double Differential Locks, 20000 lb Front Axle, 46000 lb Rears, 66000 lb GVWR, Air Ride Cab, Aluminum Wheels, 425/65R22.5 Front Tires, 11R24.5 Rear Tires, Dual Steering Boxes, Double Frame, Air Ride Suspension, 230 in Wheelbase, PTO, Nahanni 16 ft 6 in Long x 3 ft 5 in High S ...