Motor hydraulic orange peel grab is chiefly used in single hook crane, which is a kind of efficient tool for loading and unloading scrap steels, garbage, ores etc irregular materials. It mainly consists of main body of grab structure, hydraulic power system and electronic control system. The closing force of grab depends on the power of hydraulic power system and the proper designing structure of the grab. The grab operation is very easy, only by operating the handle on operation control box equipped in electronic control system. It runs which 380-440V power supply. Manufacture in the range of 1-30 cubic meter capacities.