Detroit DD13 6 Cylinder 12.8 L Diesel 450 hp Engine • 2023 US EPA Label • Requires Diesel Exhaust Fluid • Air Conditioner • Cruise Control • Power Windows • Engine Brake • Detroit DT12-1750-DHE 12-Speed Automatic Transmission • Differential Lock • 12500 lb Front Axle • 40000 lb Rears • Detroit DA-RT-40.0-4S Drive Axles • 2.28:1 Axle Ratio • 52500 lb GVWR • Air Ride Cab • 60 in Mid Roof Sleeper Cab • Bunk Heater • 275/80R22.5 • Airliner Air Ride Suspension • 235 in Wheelbase • Air Sliding 5th Wheel • Dual Fuel Tanks • 1981 Fruhauf T/A 4 Car Enclosed Car Carrier Trailer • Spring Suspension • Air Brakes • 10.00R15 Tires