Marathon 13x5.00-6" Flat Free Tire on Wheel, 3" Hub, 3/4" Bushings 13x5.00-6" Tire. 13.3" Tire Diameter. 4.5" Tire Width. Flat Free Tire made of solid, polyurethane foam. Non-marking. Turf Tread. 3" Centered Hub, 3/4" commercial grade oil infused bushings Common as the front tire of a riding lawnmower. 400 lb load capacity. Not for highway use.