Paccar MX-13 6 Cylinder 12.8 L Ultra Low Sulfur Diesel 455 hp Engine, 2016 US EPA Label, Requires Diesel Exhaust Fluid, Engine Brake, Eaton Fuller F016E310C-LAV ULT 10-Speed Automated Transmission, Meritor MT-40-14X4 Drive Axles, 3.36:1 Axle Ratio, 52350.0 lb GVWR, Air Ride Cab, Aluminum Wheels, 11R22.5, Paccar Air Ride Suspension, 247 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks