Detroit DD15 6 Cylinder 14.8 L Diesel Engine, 25193 Engine hrs, Engine Brake, Automatic Transmission, Differential Lock, 5996 kg Front Axle, 18144 kg Rears, 24140 kg GVWR, Air Ride Cab, 68 in Mid Roof Sleeper Cab, Bunk Heater, Aluminum Wheels, 11R22.5, Airliner Air Ride Suspension, 232 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks