Detroit Series 60 6 Cylinder 14.0 L Diesel 470 hp Engine, 2005 US EPA Label, Engine Brake, Eaton Fuller RTLO-16918B 18-Speed Manual Transmission, Meritor RT-40-145 Drive Axles, 4.11:1 Axle Ratio, Aluminum Outer Wheels, 11R22.5, Airliner Air Ride Suspension, 230 in Wheelbase, PTO, Wet Kit, Air Sliding 5th Wheel, Dual Fuel Tanks