Mobil Pegasus 905 is an ultra-high performance stationary 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 low-ash 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 oil 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 requiring medium ash oils and equipped with catalytic converters.

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 OEM's 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.

Features	Advantages and Potential Benefits
Exceptional Oxidation and Nitration Resistance	Cleaner engines Longer oil and filter service Improved engine performance
Outstanding Anti-wear and Anti-scuff protection	Reduced scoring, scuffing and wear of pistons and liners High level of protection in fully loaded engines Reduced maintenance costs
Advanced Technology Medium Ash Additive System	Excellent protection of valve train components Reduced levels of combustion chamber ash Improved 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 components Reduces ash and carbon deposits in combustion chambers Improves spark plug life and performance Reduces filter replacement costs
Very Good Foam Separation	Reduces potential negative effects of air on wear and oil degradation

• Caterpillar, Superior, Waukesha and other turbocharged or 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 gas gathering operations where sour gas (low levels of H2S) may be used as fuel

MOBIL PEGASUS 905 is manufactured from high quality petroleum base stocks, carefully blended with selected additives. As with all petroleum products, good personal hygiene and careful handling should always be practiced. Avoid prolonged contact to skin, splashing into the eyes, ingestion or vapour inhalation. Please refer to our Imperial Oil Material Safety Data Sheet for further information.

Note: This product is not controlled under Canadian WHMIS legislation.