It is a “head and tail” and a turntable combination. Especially for very heavy parts that require a lot of manipulation.
It has two fixed columns with a beam between them, which has a motorized rotatory plate at the center.
It is customized equipment, frequently used in hydroelectric turbines because of the complexity of their welding.
Their capacities are from 50 up to 500 tons, although they are custom made according customer needs.