A frame truss structure gantry crane,truss gantry craneHNKS Gantry Crane Specification 1. Gantry Crane is widely used together with winch or trolley for lifting device.2. It is a medium and heavy size crane which travels in track.3. Its proper lifting weight is 5 to 75 tons,and proper span is 18 to 35 meters.4. Its proper working temperature..