A gantry crane is a type of overhead crane with a single or double girder configuration supported by freestanding legs that move on wheels or along a track or rail system. Gantry cranes are usually considered when there is a reason not to incorporate an overhead runway system. Gantry cranes are used in industries that deal with metal fabrication and ship building. The gantry crane does not require any building support. It helps to pick and shift heavy loads at factories.
