Mobil Pegasus™ 701 Series
Mobil industrial , United States
Product Description
Mobil Pegasus™ 701 Series are premium natural gas engine oils formulated exclusively from specially selected base stocks of high stability. These lubricants provide the excellent performance and economy for a wide variety of engine types, service severity and fuel quality.
Mobil Pegasus 701 and 701 SAE 30 are formulated with ashless dispersants, effective oxidation and corrosion inhibitors, and antiwear agents. They provide excellent dispersancy, and good high-temperature stability. The formulation approach is very effective for controlling carbon and ash deposits in gas engines.
The ashless dispersants in Mobil Pegasus 701 and SAE 30 help prevent the formation of deposits that can cause detonation. Port carbon cleaning intervals in two-cycle, naturally aspirated and turbocharged gas engines may be extended by using Pegasus 701 Series oils. Mobil Pegasus 701 Series has increased engine overhaul periods and oil filter and spark plug life in both four-cycle and two-cycle gas engines.
Features and Benefits
Mobil Pegasus 701 Series gas engine oils provide cleaner engines, long oil and filter life, and low lube oil consumption. The result is the potential for extended engine life and reduced overhaul costs.
| Features | Advantages and Potential Benefits |
| Good Anti-wear Properties | Lower wear of engine components Provides good break-in protection of high BMEP engines |
| Good Oxidation and Bulk Oil Stability | Cleaner engines Extended drain intervals Reduced filter costs Good resistance to oxidation and nitration Reduces coking and formation of undercrown deposits |
| Good Corrosion Resistance | Reduces valve guide wear in four-cycle gas engines Protects bearings and internal components Reduced port blockage, with longer intervals between cleaning |
| High Quality Basestocks | Less power loss from detonation caused by combustion chamber deposits |
Applications
- Crankcases and power cylinders of spark-ignited two- and four-cycle gas engines
- High speed two-cycle gas engines
- Suitable for use in modern two-cycle and four-cycle slow-speed gas engines except where severity of application requires special heavy-duty, load-carrying performance
- Highly loaded 4-cycle engines requiring anti-scuff protection
- Reciprocating compressor cylinders compressing natural gas
- High output or naturally aspirated turbocharged engines operating at or in excess of rated capacity under high temperatures
Typical Properties
| Mobil Pegasus 701 Series | 701 | 701SAE 30 |
| SAE Grade | 40 | 30 |
| Viscosity, ASTM D 445 | ||
| cSt @ 40º C | 132 | 85 |
| cSt @ 100º C | 13.5 | 10 |
| Viscosity Index, ASTM D 2270 | 97 | 97 |
| Sulfated Ash, wt%, ASTM D 874 | <0.1 | <0.1 |
| TBN #, mg KOH/g, ASTM D 2896 | 2.2 | 1.7 |
| Pour Point, ºC, ASTM D 97 | -15 | -18 |
| Flash Point, ºC, ASTM D 92 | 249 | 238 |
| Density @ 15º C, kg/L | 0.885 | 0.881 |
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
All trademarks used herein are trademarks or registered trademarks of Exxon Mobil Corporation or one of its subsidiaries unless indicated otherwise.
06-2021