86 in Studio Sleeper, ISX Cummins Engine , 475 hp, Diesel, 502,681 mi, 13 Spd OD, Engine Brake, Air Ride Suspension, 3.55 Ratio , 24.5 Tires , Aluminum Outside Wheels, 280 in Wheelbase, Tandem Axle, 12,000 lb Front Axle, 40,000 lb Rear Axle , 13 Speed, Refrigerator, Gross Vehicle Weight (lbs): 48000