Detroit DD15 6 Cylinder 14.8 L Diesel 455 hp Engine, 2017 US EPA Label, Detroit dd12-oa-1750 12-Speed Automatic Transmission, 12000 lb Front Axle, 40000 lb Rears, Detroit DA-RT-40.0-4 Drive Axles, 3.08:1 Axle Ratio, 23587 lb GVWR, Aluminum Wheels, 295/75R22.5, Airliner Air Ride Suspension, 178 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks BUYER IS RESPONSIBLE FOR LOADOUT OF THIS EQUIPMENT