Mobil Pegasus 905

Product Description

Mobil Pegasus 905 is an ultra-high performance gas engine oil engineered to meet the most rigorous demands of today's high output, low-emissions, fuel-efficient, four-cycle engines. These gas engines generally operate under high load and high temperature conditions subjecting the lubricant to extreme demands. Mobil Pegasus 905 uses the highest quality base stocks and an advanced additive technology resulting in exceptional oxidation stability, nitration resistance and thermal stability. Mobil Pegasus 905 offers outstanding anti-wear characteristics and protection against valve face and seat recession. Its detergent and dispersant properties reduce the formation of carbon deposits, lacquer and sludge resulting in cleaner engines, longer oil life and reduced filter costs. Its excellent TBN and reserve alkalinity properties protect engine components from acidic materials that are formed during combustion or as the result of degradation.Mobil Pegasus 905 is designed to provide exceptional protection against piston scuffing, scoring and ring and liner wear. It also exhibits excellent resistance to foaming, good demulsibility and high-level corrosion protection. It is formulated with low levels of zinc and phosphorus making it compatible with engines equipped with catalytic converters.

Features and Benefits

Mobil Pegasus 905 is designed to provide optimum engine life and low maintenance costs. It meets a wide range of OEM requirements making it an excellent choice where high-speed four-cycle engines from various OEMs are used. Its unique innovative technology allows for control of valve train component wear and reduces the potential for scuffing, scoring and accelerated piston and ring wear. The end result is lower costs of operating and maintaining your gas engines.

 

Exceptional Oxidation and Nitration Resistance

Cleaner enginesLonger oil and filter serviceImproved engine performance

Outstanding Anti-wear and Anti-scuff protection

Reduced scoring, scuffing and wear of pistons and linersHigh level of protection in fully loaded enginesReduced maintenance costs

Advanced Technology Additive System

Excellent protection of valve train componentsReduced levels of combustion chamber ashImproved spark plug life

Very Effective Corrosion Protection

Protects internal engine components from water, coolant and acidic materials Neutralizes acids formed from combustion or oil degradation

Excellent Detergent / Dispersancy Performance

Protects valve train componentsReduces ash and carbon deposits in combustion chambersImproves spark plug life and performance Reduces filter replacement costs

Very Good Foam Separation

Reduces potential negative effects of air on wear and oil degradation

Applications

  • Caterpillar, Superior, Waukesha and other turbocharged, naturally aspirated, medium to high speed four-cycle engines requiring a low ash oil
  • Four-cycle engines experiencing valve face and seat wear
  • Lean-burn and stoichiometric four-cycle engines operating under high load, high temperature conditions
  • High-speed four-cycle gas engines used in cogeneration applications
  • Engines equipped with catalytic converters
  • Applications using alternate fuels containing low levels of sulfur or chlorine
  • In field gathering operations where sour gas (low levels of H2S) may be used as fuel

Mobil Pegasus 905 meets or exceeds the following industry and builder specifications:

API CF

X

CATERPILLAR

X

JENBACHER TI 1000-1106

X

ULSTEIN BERGEN (NATURAL GAS OPERATION)

X

WAUKESHA COGENERATION

X

 

 

Mobil Pegasus 905 has the following builder approvals:

DEUTZ MWM (GAS ENGINES OPERATING WITH SPECIAL GASES WITH INCREASED EXHAUST EMISSION)

X

DEUTZ MWM (GAS ENGINES OPERATING WITH LOW EXHAUST)

X

 Typical Properties

Mobil Pegasus 905

SAE Grade

40

Viscosity, ASTM D 445

 

cSt @ 40º C

125

cSt @ 100º C

13.0

Viscosity Index, ASTM D 2270

97

Sulfated Ash, wt%, ASTM D 874

0.54

Pour Point, ºC, ASTM D 97

-21

Flash Point, ºC, ASTM D 92

247

API Gravity

29.3

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.