Our Mobil SHC Pegasus™ Series gas engine oils provide maximum protection for high-output, low-emission four-cycle gas engines while also helping to increase fuel efficiency and reduce CO2 emissions. They are formulated for heavily loaded valve train components, pistons, liners, bearings and gear trains.

Proven to increase efficiency up to 1.5 percent*, these lubricants can also:

  • Reduce the formation of carbon and varnish deposits
  • Minimize oil consumption
  • Maintain engine cleanliness during extended drain intervals
  • Lower operating and maintenance costs
  • gauge

    Formulated to potentially help limit fuel consumption

  • gears

    Promotes engine efficiency and reliability by helping control deposits in combustion chamber and piston ring zone

  • fuel efficiency

    Up to 1.5% increase in fuel efficiency compared to standard natural gas engine oils*

  • runtime

    Helps maximize engine availability through long drain intervals — more than 50,000 hours documented

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

Industrial Synthetic Oil Increases Fuel Efficiency | Mobil™

An Oklahoma-based natural gas pipeline service provider switched to Mobil SHC Pegasus™ 30 synthetic oil for its natural gas engines and reported a 1.5 percent increase in fuel efficiency. Learn more.

Success stories, PDF

Mobil SHC™ Pegasus synthetic oil helps extend natural gas engine oil life more than five times the OEM recommendation | Mobil™

Switching to Mobil SHC™ Pegasus synthetic natural gas engine oil helped a natural gas pipeline and midstream service provider extend oil drain intervals in its field gathering booster gas engines. Learn more.

Success stories, PDF

5W-30 oil reduces Maintenance Downtime | Mobil™

Learn how pairing Mobil Serv Lubricant Analysis and Mobil Delvac 1 can help customers save on both time and money.

Success stories, PDF

Mobil SHC Pegasus 30 extends oil drain intervals | Mobil™

Mobil SHC Pegasus 30 helps a U.S. energy company maximize operational efficiency of its natural gas engines

Success stories, PDF

All Mobil SHC Pegasus resources