A  manufacturer of lubricants has developed at least three gear oils for the wind-power industry. After extensive R&D and testing, Klüber Lubrication says its products meet the severe requirements of gear oil in wind-turbine drives: Klübersynth GEM 4 N series (polyalphaolefin). These oils meet requirements of DIN 51 517–03, CLP. Corresponding gears can be switched…