Description
Mobil Delvac 1™ Gear Oil 75W-90 is a fully synthetic gear lubricant designed for heavy-duty drivetrains operating under extreme loads and shock conditions. Its advanced synthetic formula provides outstanding wear protection, thermal and oxidation stability, corrosion resistance, and extended drain intervals, helping improve drivetrain reliability and performance.
Features & Benefits
- Fully synthetic formula for superior performance.
- Excellent protection against wear, oxidation, and corrosion.
- Outstanding load-carrying capability under extreme pressure.
- High shear and thermal stability for extended service life.
- Supports smoother operation, improved drivetrain durability, and longer drain intervals.
Key benefits of Mobil Delvac 1 Gear Oil 75W-90 include:
| Features | Advantages and Potential Benefits |
| Exceptional thermal stability and resistance to high temperature oxidation | Long gear and bearing life due to minimal deposits Long seal life |
| Outstanding protection against low speed/high torque wear and high speed scoring | Increased load-carrying capability.
Helps to reduce maintenance costs and long equipment life |
|
Exceptional shear stability |
Helps to retain viscosity and film strength under severe operating conditions to prevent wear |
| Enhanced friction reduction properties | Has potential for fuel economy and reduce operating costs |
| Outstanding low temperature fluidity versus conventional oils | Helps to Reduce wear and ease of start-up |
| Good resistance to foaming | Helps to maintain film strength for reliable lubrication |
| Compatible with typical automotive seals and gaskets | Minimum leakage and reduced contamination |
Applications
Mobil Delvac 1 Gear Oil 75W-90 is recommended for:
- Heavy-duty manual transmissions, axles, differentials, final drives, and transfer cases requiring API GL-5 and MT-1 performance.
- On-highway trucks, buses, and vans.
- Off-highway equipment used in construction, mining, quarrying, and agriculture.
- Industrial gear drives operating under heavy loads and extreme conditions.
- Applications requiring extended drain intervals and reliable protection in low-temperature environments.
Properties and Specifications
| Property | |
| Grade | SAE 75W-90 |
| Density @ 15.6 C, kg/l, ASTM D4052 | 0.86 |
| Flash Point, Cleveland Open Cup, °C, ASTM D92 | 205 |
| Kinematic Viscosity @ 100 C, mm2/s, ASTM D445 | 15.0 |
| Kinematic Viscosity @ 40 C, mm2/s, ASTM D445 | 120 |
| Pour Point, °C, ASTM D97 | -48 |
| Viscosity Index, ASTM D2270 | 140 |
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