Mobil Pegasus 701 Series

Gas Engine Oil

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.


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使用美孚 SHC 飞马™系列帮助减少燃气消耗

美孚 SHC 飞马™系列可帮助减少 CAT 天然气发动机的燃气消耗,从而节省成本。

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所有 Mobil Pegasus™ 701 Series (美孚飞马 701 系列) 项资源

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.

FeaturesAdvantages and Potential Benefits
Good Anti-wear PropertiesLower wear of engine components
Provides good break-in protection of high BMEP engines
Good Oxidation and Bulk Oil StabilityCleaner engines
Extended drain intervals
Reduced filter costs
Good resistance to oxidation and nitration
Reduces coking and formation of undercrown deposits
Good Corrosion ResistanceReduces valve guide wear in four-cycle gas engines
Protects bearings and internal components
Reduced port blockage, with longer intervals between cleaning
High Quality BasestocksLess power loss from detonation caused by combustion chamber deposits



  • 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 Series701701  SAE 30
SAE Grade4030
Viscosity, ASTM D 445  
cSt @ 40º C13285
cSt @ 100º C13.510
Viscosity Index, ASTM D 22709797
Sulfated Ash, wt%, ASTM D 874<0.1<0.1
TBN #, mg KOH/g, ASTM D 28962.21.7
Pour Point, ºC, ASTM D 97-15-18
Flash Point, ºC, ASTM D 92249238
Density @ 15º C, kg/L0.8850.881


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.