The shredder in the waste tire recycling line can effectively shred rubber tires, nylon tires, steel tires, and automobile tires. Tire shredder is a crushing device specially designed for tyres with volume, thickness, and hardness. The tire shredder can directly crush any steel tire with a diameter of less than 2000mm without any prior treatment of the tire. It can also directly crush the rim steel wire, greatly improved production efficiency, while also saving labor.