Paccar MX-13 6 Cylinder 12.9 L Diesel 455 hp Engine, 2016 US EPA Label, Requires Diesel Exhaust Fluid, Air Conditioner, Cruise Control, Automatic Transmission, Air Ride Cab, Aluminum Wheels, 295/75R22.5 Front Tires, 295/75R22.5 Rear Tires, 4-Bag Air Ride Suspension, 154 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks