Amsak Crane designs, fabricates and installs gantry bridge crane systems to meet your material handling requirements. Our gantry bridge crane systems are available with either single, double girder bridges. Gantry cranes are ideal for use in aircraft, automotive, and marine repair shops. They also work well in warehouses, machine shops, and loading areas. Gantry-cranes are supplied with four roller-bearing steel wheels for easy maneuverability.