Shell Omala S5 Wind 320
Shell Omala S5 Wind 320 is an advanced fully synthetic gear oil specifically designed for wind turbine gearbox applications. Developed using high-performance metallocene Poly-Alpha-Olefin (mPAO) base fluids combined with innovative additive technology, the lubricant provides exceptional lubrication performance under severe operating conditions. Shell Omala S5 Wind 320 is engineered to deliver long oil life, superior protection against wear and micropitting, and reliable performance in the demanding environments typically encountered by wind turbine gear systems.
One of the key advantages of Shell Omala S5 Wind 320 is its ability to provide extended lubricant service life. Wind turbine gearboxes often operate under heavy loads, fluctuating speeds and challenging environmental conditions, including extreme temperatures and high humidity. Shell Omala S5 Wind 320 is formulated to resist thermal and oxidative degradation, helping prevent deposit formation and maintain oil cleanliness throughout the maintenance interval. This high resistance to degradation allows operators to extend oil drain intervals compared with conventional mineral gear oils, reducing maintenance requirements and downtime.
Shell Omala S5 Wind 320 also provides excellent protection against wear, micropitting and scuffing. Wind turbine gearboxes frequently operate under low-speed, high-torque conditions that can place significant stress on gear teeth and bearings. The advanced additive system delivers strong load carrying capacity and high resistance to micropitting, helping protect gears and bearings from surface fatigue and mechanical damage. This enhanced protection helps extend component life and maintain reliable turbine operation over extended service periods.
Another important benefit of Shell Omala S5 Wind 320 is its contribution to maintaining gearbox efficiency. The lubricant provides excellent low temperature fluidity, rapid air release and strong resistance to foam formation, helping ensure consistent lubrication performance during start-up and operation. Its advanced formulation also offers excellent water separation properties, helping prevent contamination-related damage and maintain effective lubrication in humid or offshore environments.
Shell Omala S5 Wind 320 is specifically designed for wind turbine main gearboxes and is suitable for operation in both onshore and offshore wind installations. It is also recommended for auxiliary gearbox applications such as yaw and pitch drives where an ISO VG 320 lubricant is specified. The oil meets or exceeds major industry standards including ISO 12925-1 Type CKD, DIN 51517-3 (CLP) and IEC 61400-4, and is approved by a wide range of wind turbine gearbox manufacturers including Winergy, ZF Wind, Moventas and Siemens Gamesa.
Physical characteristics include a kinematic viscosity of approximately 320 mm²/s at 40°C and 39 mm²/s at 100°C with a viscosity index of approximately 170. The lubricant has a density of approximately 862 kg/m³ at 15°C, a flash point of approximately 240°C and a pour point of approximately –48°C, supporting reliable lubrication performance in demanding wind turbine operating environments.
