Mobil Synthetic Gear Oil 75W-90 is a fully synthetic gear lubricant formulated from synthetic base oils and an advanced additive system. It is designed for use in many railway gearboxes and provides excellent load-carrying capability where extreme pressures and shock loading are expected. This gear oil provides excellent thermal and oxidation stability, high Viscosity Index (VI), extremely low pour point, and low-temperature fluidity. Mobil Synthetic Gear Oil 75W-90 meets the API GL-5 performance level.
Features and Benefits
Railway gearbox designs have changed and increased the requirements of fluids to deliver higher performance including potentially increased productivity and reduced operating costs. Mobil Synthetic Gear Oil 75W-90 is engineered to deliver exceptional performance and contribute to lower total lubrication-related operating costs. The key potential benefits include:
Advantages and Potential Benefits
Exceptional thermal stability and resistance to high temperature oxidation
Extended gear and bearing life due to minimal deposits
Longer seal life
Outstanding protection against low speed/high torque wear and high speed scoring
Increased load-carrying capability.
Contribution to reduced maintenance costs and longer equipment life
Enhanced frictional properties
Helps to reduce operating costs
Outstanding low temperature fluidity versus mineral oils
Contribution to reduced wear and ease of start up
Good resistance to foaming
Maintains film strength for reliable lubrication
Recommended by ExxonMobil for use in
• Gearboxes requiring API GL-5 performance
• Not recommended for applications requiring API GL-4 Level performance
• Not intended for automatic, manual, or semiautomatic transmissions for which engine oil or automatic transmission fluids are recommended.
Please verify OEM requirements and oil selection criteria for your specific railway gearbox and application.
Specifications and Approvals
This product has the following approvals:
Siemens Flender BA 7302 table R1
Voith Turbo 132.00374401
Voith Turbo 132.00374402
This product is recommended for use in applications requiring:
SEW-Eurodrive W- Gears
This product meets or exceeds the requirements of:
Properties and Specifications
Density @ 15 C, g/cm3, ASTM D4052
Flash Point, Cleveland Open Cup, °C, ASTM D92
Kinematic Viscosity @ 100 C, %, ASTM D445
Kinematic Viscosity @ 40 C, mm2/s, ASTM D445
Pour Point, °C, ASTM D97
Viscosity Index, ASTM D2270
Health and safety
Health and Safety recommendations for this product can be found on the Material Safety Data Sheet (MSDS) @ http://www.msds.exxonmobil.com/psims/psims.aspx
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