... 4.good economic value 65kN/ 6.5 ton double drum friction winch, storage winch Parameter Description:a: the total displacement represents the ... department.IYJ series hydraulic winch consist of valve block, hydraulic motor, brake, planetary gearbox, drum and clutch. Users only ... working environmentsLow maintenance relieves your anxietyCompany ShowCertificates double drum friction winch, storage winch