Navistar A410 6 Cylinder 12.4 L Ultra Low Sulfur Diesel Engine, 2013 US EPA Label, Requires Diesel Exhaust Fluid, Engine Brake, Eaton Fuller 10-Speed Manual Transmission, 14000 lb Front Axle, 40000 lb Rears, 54000 lb GVWR, 11R22.5, Air Ride Suspension, 267 in Wheelbase, 24 ft x 89 in Bed