A hydraulic multi-purpose salvage machine works so perfectly and is so durable that it can easily and safely load and unload while salvaging a ship or repairing a fishing boat. The machine can carry fishes and algae and load and unload equipment, including engines in normal conditions. Under bad weather conditions or during a typhoon, the machine can be used to protect fishing boats and fishermen's properties. As the machine uses its own power source and can be easily installed, use convenience and safety have been improved. Show More