Electric Hydraulic Marine Shipyard Winch or Logging Towing Winch up to 500 ton, any certificate., DNV, GL, ... data of 40 ton Electric Hydraulic Marine Shipyard Winch or Logging Towing Winch :plll force capacity 40 ton at first layer ... the customer's requirement. Electric Hydraulic Marine Shipyard Winch or Logging Towing Winch