Cummins 404 6 Cylinder Diesel Engine, 1654.9 Engine hrs, Air Conditioner, Engine Brake, Eaton Fuller RT116009A Manual Transmission, 12000 lb Front Axle, 38000 lb Rears, Dana DS402 Drive Axles, 3.55:1 Axle Ratio, 50000 lb GVWR, 285/75/24.5 Front Tires, 285/75/24.5 Rear Tires, 8-Bag Air Ride Suspension, 172 in Wheelbase, PTO, Wet Kit, Air Sliding 5th Wheel, Headache Rack, Dual Fuel Tanks