Mobil Pegasus™ 1 helps 40 Waukesha H24GL natural gas engines with enhanced equipment reliability success story

mobil pegasus-1

Waukesha H24GL

Oil and Gas Producer Alberta, Canada


A major Canadian oil and gas producer operates a fleet of 40 Waukesha H24GL natural gas engines in extreme operating conditions and rigorous production schedules. A conventional natural gas engine oil left damaging ash deposits on the valves, cylinder head deck and pistons, thus compromising component life. Sustainability is a core business value for this company, so maintenance personnel needed a long-lasting lubricant capable of providing exceptional wear protection.


ExxonMobil recommended transitioning to Mobil Pegasus™ 1, a premium-performance natural gas engine oil formulated from wax-free synthetic base oils and a balanced additive system. They also recommended routine borescope inspections conducted by ExxonMobil field engineers to monitor for any signs of component wear.


Since transitioning to Mobil Pegasus 1 synthetic natural gas engine oil, facility managers report that oil drain intervals have tripled in length, from 2,000 hours to more than 6,000 hours. The need for makeup oil has also plummeted, from five liters of lubricants per day to between 0.5 and 1 liter. Furthermore, routine borescope inspections revealed that the damaging ash deposits that had once prevalently formed on the valves, cylinder head deck and pistons have significantly diminished.

Having transitioned 13 of the fleet’s 40 units to Mobil Pegasus 1 natural gas engine oil, the company now saves US $60,000 a year. Once all 40 units have been converted, they anticipate annual savings will increase to more than US $180,000.

The product performance of Mobil Pegasus 1, alongside the application expertise provided by local ExxonMobil engineering support and borescope inspection, is helping to improve customer productivity.

*This success story is based on the experience of a single customer. Actual results can vary depending upon the type of equipment used and its maintenance, operating conditions and environment, and any prior lubricant used.


* ExxonMobil shall include Exxon Mobil Corporation and its affiliates.

236 kb PDF in English


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