Description
Our Mobilgear SHC™ XMP 320 synthetic wind turbine gear oil is designed to protect wind turbine gearboxes, including steel-on-steel spur, helical and bevel gears, operating under the extreme conditions typical of wind turbines. The synthetic gear oil is formulated to offer outstanding rust and corrosion protection in applications where salt water and acidic water protection are required.
Mobilgear SHC XMP 320 synthetic gear oil can:
- Reduce power consumption in many gear drives
- Protect against scuffing
- Resist micropitting fatigue
- Enhance gearbox rolling element bearing lubrication
This industrial synthetic gear oil is highly recommended for:
- Loaded gearboxes with surface-hardened tooth metallurgies
- Gear applications where extreme low and/or high temperatures are encountered
- Situations where corrosion may be severe
Features and Benefits
The Mobil brand lubricants designated as SHC are recognized and appreciated around the world for innovation and outstanding performance. These molecular design PAO synthetic products, pioneered by our research scientists, symbolize the continuing commitment to using advanced technology to provide outstanding products. A key factor in the development of the Mobilgear SHC XMP Series was the close contacts between our scientists and application specialists with key OEMs to ensure that our product offerings will provide exceptional performance with rapidly evolving industrial gear designs and operation.
Our work with equipment builders has helped confirm the results from our own laboratory tests showing the exceptional performance of the Mobilgear SHC XMP Series lubricants. Not least among the benefits shown in work with OEMs is the ability to resist micropitting wear which can occur with some highly loaded, case-hardened gearing applications. This cooperative work also demonstrated the all-round balanced performance benefits for the new Mobilgear SHC XMP technology, including a wide temperature range of application.
To address the issue of micropitting gear wear, our product formulation scientists designed a proprietary combination of additives which would resist traditional gear wear mechanisms as well as protecting against micropitting. Our formulators chose proprietary PAO synthetic base oils to provide exceptional oil life and deposit control and resistance to thermal/oxidative and chemical degradation, as well as the balance of the performance features. The wax-free nature of the synthetic base oil also provides low temperature fluidity characteristcs unmatched by mineral products and is a key benefit for remote, low ambient, applications. The Mobilgear SHC XMP Series lubricants offer the following benefits:
| Features | Advantages and Potential Benefits |
| Superb protection from micropitting fatigue wear as well as high resistance to traditional scuffing wear | Extended gear and bearing life in enclosed gear drives operating under extreme conditions of load, speed and temperature |
| Reduced unexpected downtime and less maintenance – especially critical for difficult to access gearboxes. | |
| Excellent resistance to degradation at high temperatures | Extended oil life and drain intervals reduced oil consumption and manpower costs |
| Low traction PAO base stocks for improved gear efficiency | Reduced energy consumption and lower operating temperatures |
| High viscosity index base stocks reduce viscosity change with temperature | Ability to operate at both high and low temperatures: especially critical in remote applications with no oil heating or cooling |
| Excellent resistance to rust and corrosion and very good demulsibility | Smooth, trouble-free operation at high temperatures or in water-contaminated applications |
| Excellent compatibility with soft metals | |
| Outstanding filter life, even in presence of water | Fewer filter changes and reduced maintenance costs |
| Excellent compatibility with common gearbox materials of construction and with mineral-based gear oils | Simple conversion from many mineral products |
Applications
Application Considerations: While the Mobilgear SHC XMP Series are compatible with mineral oil based products, admixture may detract from their performance. Consequently it is recommended that before changing a system to one of the Mobilgear SHC XMP Series, it should be thoroughly cleaned out and flushed to achieve the maximum performance benefits.
Mobilgear SHC XMP Series supreme performance, fully synthetic industrial gear oils are designed to provide optimum equipment protection and oil life even under extreme conditions. They are especially formulated to resist micropitting of modern, case hardened gearing and can operate in both high and low temperature environments. Typical applications include:
- Wind turbines, especially highly loaded and shock loaded units, remotely located units and extreme temperature environments
- Plastic extruder gearboxes
- Modern, highly loaded gearboxes used in the paper, steel, oil, textile, lumber and cement industries where gear protection and optimum oil life are required.
Specifications and Approvals
| Mobilgear SHC XMP Series meets or exceeds the requirements of: | 320 | 460 |
| AGMA 9005-EO2 EP | X | X |
| DIN 51517-3, 2009-06 | X | X |
Typical Properties
| Mobilgear SHC XMP Series | 320 | 460 |
| ISO Viscosity Grade | 320 | 460 |
| Viscosity, ASTM D 445 | ||
| cSt @ 40º C | 335 | 460 |
| cSt @ 100º C | 38.3 | 48.7 |
| Viscosity Index, ASTM D 2270 | 164 | 166 |
| Pour Point, ºC, ASTM D 97 | -38 | -36 |
| Flash Point, ºC, ASTM D 92 | 242 | 232 |
| Specific Gravity @15.6º C kg/l, ASTM D 4052 | 0.86 | 0.863 |
| FZG Micropitting, FVA Proc No. 54, | ||
| Fail Stage | 10 | 10 |
| GFT-Class | High | High |
| FZG Scuffing, DIN 51345 (mod) A/16.6/90, Fail Stage | 14+ | 14+ |
| 4-Ball Wear test, ASTM D 4172, mm (Mod 1,800 RPM, 20kg, 54º C, 60 Minutes) | 0.25 | 0.25 |
| Rust protection, ASTM D665, Sea Water | Pass | Pass |
| Water Separability, ASTM D 1401,Time to 40/37/3 at 82º C, minutes | 10 | 10 |
| Foaming Characteristics, ASTM D 892,Seq. II, Tendency/Stability, ml/ml | 0/0 | 0/0 |
Health and Safety
Based on available information, this product is not expected to produce adverse effects on health when used for the intended application and the recommendations provided in the Material Safety Data Sheet (MSDS) are followed. MSDS’s are available upon request through your sales contract office, or via the Internet. This product should not be used for purposes other than its intended use. If disposing of used product, take care to protect the environment.
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