Cummins ISX15 15 L Diesel 455 hp Engine, 2013 US EPA Label, Requires Diesel Exhaust Fluid, 13587 Engine hrs, Engine Brake, Eaton Fuller 18-Speed Transmission, 20000 lb Front Axle, 46000 lb Rears, 66000 lb GVWR, Aluminum Front Wheels, 425/65R22.5 Front Tires, 11R22.5 Rear Tires, Dual Steering Boxes, Double Frame, Hendrickson Haulmaax Suspension, 268 in Wheelbase, 24 ft Hoist