Mobil Centaur XHP™ 461 helps prevent unscheduled downtime*

Total cost

savings of $252K

Mobil Centaur XHP™ 461 grease success story


An Alabama coal mine operating tail roller sprockets lubricated with a lithium-complex ISO 220 grease experienced two failures over a three month period, each resulting in an estimated five hours of lost production. In an effort to reduce component failures, the company approached ExxonMobil for a lubricant solution to address the failures, reduce related downtime and improve operational efficiency.


After evaluating the application and operating environment, ExxonMobil engineers recommended Mobil Centaur XHP™ 461, an ISO 460 bearing grease. Formulated with advanced calcium-sulfonate thickener technology, Mobil Centaur XHP™ 461 grease provides inherent extreme pressure properties and protection against water contamination in high-moisture environments.


After the first three months in service, the company reported that Mobil Centaur XHP™ 461 grease helped eliminate the ongoing tail roller sprocket failure. Maintenance personnel reported that the company has experienced a company-estimated savings of $US 252,000 from lost production, labor and replacement parts. In addition, the company has experienced reduced operational safety risks due to having fewer man-machine maintenance interactions, as well as reduced unexpected downtime and improved productivity.

*This proof of performance 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.

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