The MG truss-type double main girder gantry crane, also known as the A-type double girder gantry crane, is composed of the main girder, end girder, saddle, outriggers, lower crossbeam, large car running mechanism, small car, electrical equipment and other parts. The lifting capacity is 5 to 200 tons, the working environment is -20 to +40℃, and there are two working levels: A1 and A8.

The trolley of this crane is powered by flexible cables, while the large trolley is powered by sliding contact lines or cable drums. All mechanisms are operated from the driver's cab and are equipped with rainproof devices. It is applicable to the loading, unloading and handling of various materials in open-air warehouses, freight (material) yards, railway stations and port terminals.

Features of this crane: The bridge frame is made of welded section steel, which is light in weight and low in cost. The crane runs smoothly and has good wind resistance. Each mechanism is equipped with safety protection devices. The cantilever length of the gantry crane is generally less than 1/3 of the span.