Detroit DD15 6 Cylinder 14.8 L Diesel 560 hp Engine • 2012 US EPA Label • Webasto Engine Coolant Heater • 11559 Engine hrs • Engine Brake • Eaton Fuller RTLO-18918B 18-Speed Manual Transmission • Double Differential Locks • 12500 lb Front Axle • 46000 lb Rears • Meritor RT-46-160P Drive Axles • 3.91:1 Axle Ratio • 58500 lb GVWR • Air Ride Cab • 54 in Mid Roof Sleeper Cab • Bunk Heater • Aluminum Wheels • 11R24.5 • Air Assist Front Suspension • Airliner Air Ride Suspension • 246 in Wheelbase • Air Sliding 5th Wheel • Headache Rack • Dual Fuel Tanks