Double girder overhead crane, electric traveling gantry crane

The double girder overhead crane has strong load-bearing capacity, large span, and good overall stability. It comes in a variety of types. However, it is heavier and more expensive than a single girder overhead crane of the same lifting capacity. Depending on the main girder structure, it can be divided into two types: box girder and truss. The box girder structure is generally more commonly used.