Big Mold Retreads Giant Tires

Big Mold Retreads Giant Tires

Ohio Machine & Manufacturing Co. says it has built the world's largest giant off-road earthmover radial tire retread mold. The mold produces two radial tire sizes: 4000R57 and 46/90R57, in Goodyear RL4B design. It measures 175 in. in diameter, 53 in. wide, and weighs 55,000 lb. The retreaded tires produced by the tool measure up to 140.5 in. in diameter, 44.5 in. wide and weigh approximately 8,800 lb. The mold was purchased by Purcell Tire & Rubber Co., Potosi, Missouri, USA.