An industrial shredder is basically a machine used for reducing the size of all kinds of material. Industrial shredders come in many different variations and sizes. The largest scrap metal shredder in the world is the 9,200 hp (6,860 kW) Lynxs at the Sims plant at the mouth of the River Usk in Newport Wales with access by road, rail and sea. It can process 450 cars per hour. Continue reading for more.