Mobil Pegasus™ 1005

Premium Gas Engine Oil

Our Mobil Pegasus™ 1005 premium natural gas engine oil is designed to provide outstanding protection for today’s high-output, low-emissions, four-cycle gas engines. It is formulated to deliver exceptional oxidation stability, nitration resistance and thermal stability.

In addition to protecting heavily loaded valve train components, pistons, liners, bearings and gear trains, Mobil Pegasus 1005 natural gas engine oil also helps:

  • Control wear on critical engine components
  • Reduce oil consumption and need for top-ups
  • Maintain engine cleanliness
  • Improve drain intervals

Equipment lubricant recommendations

Our Mobil Serv℠ Product Selector tool will help you identify lubricant(s) for your specific equipment.

Data sheets

Product information

Technical resources

Mobil Pegasus™ 1005 Reduces Oil Consumption | Mobil™

Mobil Pegasus™ 1005 helps an oil and natural gas exploration company generate annual savings by extending oil drain intervals.

Success stories

Differential pressure increase after an oil conversion | Mobil™

Learn a potential reason for a filter differential pressure increase after converting to Mobil Pegasus™ 1005 gas engine oil.

Expert answers

Mobil Pegasus™ 1005 helps gas compression plant | Mobil™

Mobil Pegasus™ 1005 helps gas compression plant double oil drain intervals in fleet of CAT 3612 engines, generating significant annual savings.

Success stories

Mobil Pegasus™ 1005 gas engine oil success story | Mobil™

GS Cadila Healthcare Limited uses Mobil Pegasus™ 1005 gas engine oil to improve productivity by extending oil drain intervals of GE Jenbacher gas engines.

Success stories

All resources

Features and Benefits

Mobil Pegasus 1005 is a leading member of the Mobil brand of industrial lubricants that enjoy a reputation for innovation, technology leadership and high performance capability.

Mobil Pegasus 1005 offers the following features and potential benefits:

 

Features

Advantages and Potential Benefits

Extended Oil Life

Improves oil drain interval; reduces number of oil changes and oil purchases, creates less waste oil and labor to help lower operating costs and increase engine availability

Increased engine availability enables higher productivity

Keep Clean Performance

Helps control deposits in combustion chamber and on pistons to maximize engine efficiency and reliability

Helps control deposits in heat exchangers to maximize heat production

Low Oil Consumption

Low oil volatility helps minimize engine and exhaust system deposits to help extend catalytic converter life and extend intervals between heat exchanger cleanings

Helps reduce make up oil additions and lubricant purchases

Exceptional Wear Protection

Helps control wear on critical engine components

Maximizes engine reliability and performance

 

Applications

Mobil Pegasus 1005 is designed for use in:

     •  Caterpillar, MWM GmBh (Formerly Deutz Power Systems), Jenbacher, Rolls Royce-Bergen, Wartsila, Waukesha and other turbocharged, naturally aspirated, medium to high speed four-cycle engines requiring a low ash oil

     •  Lean-burn and stoichiometric four-cycle engines operating under high load, high temperature conditions

     •  High-speed four-cycle gas engines used in cogeneration applications

     •  Natural gas fueled engines equipped with catalytic converters

     •  Applications using alternate fuels containing low levels of sulfur or chlorine

     •  Field gathering operations where sour gas, with H2S content ‹ 0.1% (1000 ppm), may be used as fuel

 

Specifications and Approvals

This product has the following approvals:

AVTODISEL (YaMZ) YaMZ-1-97

INNIO JENBACHER TI 1000-1109 (Class A fuel gas, Series 4B & 6E)

Caterpillar/MaK GCM34

MAN M 3271-2

MTU Onsite Energy Engine series 400/natural aspirated - Natural gas

MWM GmbH TR 0199-99-2105

PERKINS GAS ENGINE OIL - NATURAL GAS

Rolls-Royce Bergen Engines K-G1

Rolls-Royce Bergen Engines K-G2

Rolls-Royce Bergen Engines K-G3

Rolls-Royce Bergen Engines CR-G

Rolls-Royce Bergen Engines BV-G

SCHNELL MOTOREN AG ZS180-V5

SCHNELL MOTOREN AG ZS250-V5

SCHNELL MOTOREN AG ZS265GT-V5

SCHNELL MOTOREN AG ZS265TC-V5

WARTSILA 220SG

WARTSILA 28SG

WARTSILA 34SG

WARTSILA 32DF (Continuous Natural Gas Operation )

WARTSILA 25SG

WARTSILA 50DF (Continuous Natural Gas Operation)

WARTSILA 175SG

GE Waukesha Engine 12V/18V 220 GL Applications Using Pipeline Quality Gas

GE Waukesha Engine Cogeneration Applications Using Pipeline Quality Gas

INNIO JENBACHER TI 1000-1109 (Class A fuel gas, Series 2 & 3,extended drain)

 

This product is recommended for use in applications requiring:

API CF

 

This product meets or exceeds the requirements of:

CATERPILLAR

 

Properties and Specifications

Property

Grade

SAE 40

Ash, Sulfated, mass%, ASTM D874

0.5

Density @ 15.6 C, g/cm3, ASTM D4052

0.85

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

265

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

13.4

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

121

Pour Point, °C, ASTM D97

-25

Total Base Number, mgKOH/g, ASTM D2896

5.3

Viscosity Index, ASTM D2270

106

 

Health and safety

Health and Safety recommendations for this product can be found on the Material Safety Data Sheet (MSDS) @ http://www.msds.exxonmobil.com/psims/psims.aspx