HYDAC and Hydraulics – inseparable for 50 years HYDAC was founded in 1963 as a company for hydraulic accessories and is today an internationally active company group with over 9000 employees, 50 branch offices and 500 trade and service partners world-wide. HYDAC stands for hydraulics, systems and fluid engineering. HYDAC is represented in all industries HYDAC components can be found in all areas of industrial and mobile hydraulics. HYDAC solutions cool and lubricate gears in wind turbines, work in the tensioning hydraulics of modern machine tools, cushion the cabs on agricultural machinery, support the working hydraulics of excavators, and inspect and test the loading capacity of wings on the Airbus A 380.