This is a new rolling glider kit. It has new suspension, rear ends, wheels and tires from the factory. We installed a rebuilt 12.7 Detroit DDEC engine that carries a standard 1 year/100,000 mile nationwide Detroit warranty, and a Fuller Reman RTX16710B transmission with a 1 year/unlimited mileage nationwide warranty. Save thousands and fuel too! Call today (866) 597-3836 Fitzgerald Truck Sales. I-40 exit 311 Crossville, TN., Sleeper Size 70",Sleeper, Detroit Engine, 12.7 REBUILT, 500 Horsepower, Transmission 10 Spd, Over Drive, Engine Brake, Suspension Air Ride, Ratio 3.58, Tires 295/75R22.5, Wheels All Aluminum, Wheelbase 235", Tandem Rear Axels, Front Axle Lbs 12,000, Rear Axle Lbs 40,000