Mobil

Mobil PEGASUS 605 DRUM 208Ltr

SKU: MOBIL127880
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Description

  • Mobil Pegasus 605 is a high performance natural gas engine oil primarily intended for the lubrication of modern medium and high-speed four-cycle engines operating on fuel that contains corrosive materials such as hydrogen sulphide or halogens (compounds containing chlorine, fluorine, etc.).
  • These engines are generally of the lean-burn design where increased manifold pressures prevent sufficient lubricant from reaching the valve guide areas resulting in low oil consumption which can lead to valve guide wear and valve recession.
  • This effect also increases the potential for wear and acid attack of upper cylinder components from the corrosive materials generated during combustion.
  • The Mobil Pegasus 605 is a 0.5% ash gas engine oil with exceptional reserve alkalinity designed to offset the negative effects of acidic materials on engine components.
  • The excellent corrosion protection properties helps prevent corrosive wear in cylinders, valve areas and bearings which can result in longer engine life and lower maintenance costs.
  • Mobil Pegasus 605 provides excellent anti-wear and anti-scuff performance which helps assure minimal piston scuffing, scoring and low cylinder liner and piston ring wear.
  • This oil can also be used for the lubrication of the reciprocating compressors in landfill and biomas gas applications.

 

Specification and Approvals

Property

Grade

SAE 40

Kinematic Viscosity @ 100 C, mm2/s, ASTM D445

13.2

Kinematic Viscosity @ 40 C, mm2/s, ASTM D445

124

Viscosity Index, ASTM D2270

100

Ash, Sulfated, mass%, ASTM D874

0.5

Base Number - Xylene/Acetic Acid, mg KOH/g, ASTM D2896 (*)

7.0

Pour Point, °C, ASTM D97

-15

Flash Point, Cleveland Open Cup, °C, ASTM D92

262

Density 15.6 C, lb/gal, CALCULATED

0.890

(*) use of other ASTM approved solvents may yield different results

 

Applications

Note: Engines operating on fuel gas with elevated levels of sulphur or halogens should also have coolant (jacket water) and oil temperatures raised.

Gas engines operating on fuel that contains moderate levels of hydrogen sulphide (H2S)

Engines operating on fuel containing other corrosive materials such as TOHCl (Total Organic Halides as Chloride) such as landfill or biomas gas

Spark ignited four-cycle gas engines with very low lube oil consumption

Medium and high speed four-cycle engines equipped with catalytic converters requiring a low ash gas engine oil

Engines experiencing valve train wear and corrosion

Reciprocating compressors operating on natural gas that contains sulphur or chlorine compounds

High output or naturally aspirated engines operating at or in excess of rated capacity under high temperatures

 

Compatibility

Please compare with your original manufacturer's oil specification which can be found in your vehicle manual. Feel free to contact us at info@Performance Parts Direct.co.uk if you require any assistance!

 

Compatibility Check

To ensure the part(s) you have ordered fits your vehicle, we run a compatibility check prior to dispatch. We can do this either using your registration number (UK) or the last 7 digits of your VIN. Simply enter your car details prior to checkout.

 

Part Number

MOBIL127880

 

More Information

Manufactured by

Mobil