Detroit DD15 6 Cylinder 14.8 L Diesel 505 hp Engine • 2015 US EPA Label • Webasto Engine Coolant Heater • 17426 Engine hrs • Engine Brake • Eaton Fuller 18-Speed Manual Transmission • Double Differential Locks • 13200 lb Front Axle • 40000 lb Rears • Detroit DA-RT-40.0-4 Drive Axles • 3.23:1 Axle Ratio • 53200 lb GVWR • Air Ride Cab • 60 in Mid Roof Sleeper Cab • Bunk Beds • Bunk Heater • Aluminum Wheels • 11R22.5 • Airliner Air Ride Suspension • 231 in Wheelbase • Air Sliding 5th Wheel • Dual Fuel Tanks