... more safe. 2) 300Ton Hydraulic Grab Hoist Winch for a Dredger Specifications300Ton Hydraulic Grab Hoist Winch for a DredgerStructureIt consists of hydraulic ... , pedestal, pneumatic operated band brake and hydraulic operated disk brake, manual operation valve, etc. One drum for lifting purpose, another drum ... load100Ton for lifting drum (2nd layer, static) 300Ton Hydraulic Grab Hoist Winch for a Dredger