Double girder cranes provide greater hook height, but are no more durable than single girder cranes. Based on CMAA (Crane Manufacturers Association of America)
Bridge cranes have different configurations and can be comprised of one or two beams—more often referred to as a single girder or double girder design. Girders
Contrx double girder bridge cranes are used when capacity and span requirements are too great for a single girder crane to be used. Double girder cranes
Box Girder Bridge Cranes. Contrx capabilities include fabrication of single box girder or Monobox cranes and double box girder cranes. Box girder cranes