450 HORSEPOWER CUMMINS. 250 WHEELBASE, 218K MILES ON REBUILD WITH PAPERWORK,10 SPEED EATON, 11Rx22.5 TIRES, MANY NEW PARTS, AND MORE. ., 450 Horse Power, Air Ride Suspension, Aluminum Wheels, 250 Wheel Base, 11Rx22.5, 38000 Rear Axle lbs, Ratio, 63 Mid Roof Sleeper