It’s been reported Waldrich Siegen of South Africa built the largest lathe in 1973 at 126 feet (38m), weighing 485.6 tons, the same weight as a jumbo jet aircraft, and capable of handling a workpiece up to 330 tons.

The largest lathe in the world 7,000 mm turning diameter, 25,000 mm workpiece length and more than 350 t workpiece weight: The largest lathe in the world, located at our customer’s plant in America, has efficiently machined turbine rotors for power plants for many years.