Features and Benefits
The Mobil DTE family of products is well known and highly regarded world-wide based on their outstanding performance and the RandD expertise and the global technical support which stand behind the brand. The highly versatile performance of one series of oils in this family, Mobil DTE Oil Double Letter Series oils, has made them the choice of many users around the world for many decades.
Mobil DTE Named oils enjoy an excellent reputation in the lubrication of the circulation systems of industrial gearboxes, plus a wide variety of ancillary equipment, including hydraulic systems. As designs change and increase in severity, it is the challenge of our scientists to understand the effect of these changes on the lubricant and to formulate these products for the broad versatility they are recognized for.
For the Mobil DTE Oil Double Letter Series of lubricants this process has resulted in the use of a proprietary high quality base stocks for outstanding oxidation stability, plus a unique additive combination to ensure the excellent, wide-ranging performance of these oils. A review of the features, advantages and potential benefits of the product are shown below:
| Features | Advantages and Potential Benefits |
| Excellent thermal/oxidative and chemical degradation resistance | Long lubricant charge life giving extended drain periods and reduced product replacement costs; reduced filter deposits and longer filter life |
| Outstanding anti-wear performance | Reduced pump wear leading to longer pump life, protection of critical bearings and gearing |
| Protection against rust and corrosion in both the liquid and vapour phase | Enhanced system cleanliness for reduced maintenance and un-planned stoppages |
| Good demulsibility and avoids emulsion formation | Improved operating efficiency and lower operating costs |
| Multiple application capability | Reduced plant inventory savings |
Applications
These oils are intended primarily for the lubrication of plain bearings, roller bearings, parallel shaft and bevel gearing. They are suitable as multipurpose lubricants in systems not subject to shock loading and which do not require extreme pressure performance. They are used in applications using splash, bath and ring oil arrangements and all other application methods involving pumps, valves and auxiliary equipment. They are recommended for use in hydraulic systems where higher viscosity oils are specified.
- Moderate duty spur, bevel, helical and herringbone gear units
- Circulating systems
- Mobil DTE Oil Extra Heavy and BB can also be used in hydraulic systems employing gear, vane, radial and axial piston pumps where anti-wear hydraulic fluids are required and clearances are relatively large
- Certain compressors and vacuum pumps handling air, natural gas and inert gases provided the discharge temperatures do not exceed 150°C
Typical Properties
| MOBIL DTE Oil Double Letter Series | Mobil DTE Oil Extra Heavy | Mobil DTE Oil BB | Mobil DTE Oil AA | Mobil DTE Oil HH |
| ISO Viscosity Grade | 150 | 220 | 320 | 460 |
| Viscosity, ASTM D 445 | | | | |
| cSt @ 40ºC | 146 | 218 | 325 | 436 |
| cSt @ 100ºC | 14.4 | 18.8 | 24.4 | 29.4 |
| Viscosity Index, ASTM D 2270 | 96 | 96 | 96 | 95 |
| Pour Point, ºC, ASTM D 97 | -21 | -18 | -12 | -15 |
| Flash Point, ºC, ASTM D 92 | 272 | 284 | 286 | 288 |
| Density @15ºC, ASTM D 1298, kg/l | 0.89 | 0.89 | 0.90 | 0.90 |
| Demulsibility for non-EP oils, ASTM D2711, ml free water | 38 | 36 | 39 | 35 |
| Water separability, ASTM D 1401, Min. to 40/37/3 ml emulsion @ 82ºC | 20 | 20 | 20 | 20 |
| Rust Prevention, ASTM D 665 | | | | |
| Distilled Water | Pass | Pass | Pass | Pass |
| Sea Water | Pass | Pass | Pass | Pass |
| Copper Corrosion, ASTM D 130 hours @ 100ºC | 1A | 1A | 1A | 1A |
| FZG Gear Test, DIN 51354, Failure Stage | 12 | 12 | 12 | 12 |
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.
Toxicity class: free BAG T No.: 611500
