Top running cranes have several advantages including a higher lift, particularly on the double girder model.  Also, they offer greater capacities with little or no loading of the building.

     Royce Crane Co. builds, sells, and installs top running cranes covering a wide range of sizes and capacities.

     A double girder top running crane with a twin hook hoist.  The long span and high capacity make the box girder design a necessity.