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[message]- Mobil SHC Grease 681 WT is specially formulated to lubricate yaw, pitch and main bearings of wind turbines.
- It is a high performance synthetic lithium complex grease specially designed to exceed the demanding requirements of wind turbine applications at extreme temperatures.
- The advanced synthetic base fluid with its low traction coefficient provides excellent low temperature pumpability and very low starting and running torque.
Specification and Approvals
Mobil SHC Grease 681 WT | |
NLGI Grade | 1.5 |
Thickener Type | Lithium Complex |
Colour, Visual | Beige |
Penetration, Worked, 25ºC, ASTM D 217 | 305 |
Dropping Point, ºC, ASTM D 2265 | 260 |
Viscosity of Oil, ASTM D 445,cSt 40ºC |
680 |
Viscosity of Oil, ASTM D 445,cSt100oC |
74 |
Roll Stability, Pen Change, ASTM D 1831, mm/10 | 10 |
4-Ball Wear Scar, ASTM D 2266 | 0.6 |
4-Ball Weld, ASTM D 2596, Load, Kg | 250 |
Water Washout, ASTM D 1264, Loss at 79ºC. % wt | 7 |
EMCOR Rust Test, 10 % Synthetic Sea Water, ASTM 6138 | 0,0 |
Corrosion Protection, ASTM D 1743, Rating | Pass |
Copper Strip Corrosion, ASTM D 4048, Rating | 1a |
Applications
- Mobil SHC Grease 681 WT is an NLGI 1.5 Grade extreme pressure grease with ISO VG 680 synthetic base fluid recommended for tough wind turbine applications requiring addition EHL protection
- Mobil SHC Grease 681 WT meets most specifications of wind turbine builders and component suppliers and can demonstrated outstanding performance in the lubrication of yaw, pitch, and generator bearings either manual greased or using centralized grease systems or grease dispensers.
- Recommended application temperature range for continuous operation is from -40º C to 150ºC with proper regreasing intervals
Please compare with your original manufacturer's oil specification which can be found in your vehicle manual. Feel free to contact us if you require any assistance!
To ensure the part(s) you have ordered fits your vehicle, we run a compatibility check prior to dispatch. We can do this either using your registration number or the last 7 digits of your VIN. Simply enter your car details prior to checkout.
MOBIL154428
Manufactured by
Mobil