MH Single Beam 4 Ton Gantry Crane
his type of double girder gantry crane consists of 5 main parts, namely, the bridge structure, A-frame support legs, the traveling mechanism, the trolley and the electric equipment. It has box type and trussed type, box type has characteristic of slim body and strong lifting capacity; trussed type has characteristic of small windward surface, small deadweight and strong lifting capacity.
The girder could also have a double girder design for heavy duty applications, where a suitable track is provided on top of the girders for travel of crab wheels.