Mobil Pegasus™ 701 Series

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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.

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

 

Mobil Pegasus 701 Series 701 701SAE 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

 

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