Marathon 13x6.50-6" Pneumatic (Air Filled) Tire on Wheel, 3" Hub, 3/4" Bearings 13x6.50-6" Tire. 13.9" Tire Diameter. 5.7" Tire Width. Pneumatic (air-filled) tire. Turf Tread. 3" Centered Hub. 3/4" Precision Ball Bearings. Perfect replacement tire for lawn mowers. 350 lb load capacity. Inflate with manual pump only. Not for highway use.