This is a powerfully winch whit two drums of equal capacity in cascade, each one to store all the wire, driven independently from a hydraulic motor. By means of this redundant system we can have always solution in case of malfunction. Manufactured in stainless steel, except the drums (carbon steel with a lining of stainless steel in the inside) It has a guide hydraulic assisted. This winch has been installed in three of six tuna fishing boats existing in the Spanish Mediterranean sea, and in a purse seine fishing boat in the Basque country.