Mobil SHC™ 630 improves Peruvian mining company efficiency

Cement mill gear

Metso 32x34 Gold SAG Mill Mining Company Cajamarca, Perú


A Peruvian mining company operates a Metso 32x34 Gold SAG Mill. The OEM recommends lubricating the mill bearings with a standard mineral oil with a one-year drain interval. Hoping to increase productivity and reduce their total cost of ownership, company managers approached Mobil engineers to determine a lubricant solution capable of safely extending oil drain intervals beyond the one-year mark.


Mobil engineers recommended transitioning to Mobil SHC™ 630. Formulated with high viscosity base fluids and a proprietary additive system, it’s scientifically designed to provide outstanding performance in extreme service applications. Mobil SHC 630 is also laboratory proven to provide significant efficiency improvements over standard mineral oils.


Complemented by rigorous maintenance practices and routine oil analysis, Mobil SHC 630 helped the mining company extend oil drain intervals from one year to three years on the SAG mill without any identified concerns. Maintenance personnel were so impressed by the lubricant performance, they considered extending drain intervals even further, to five years. By tripling oil drain intervals, the company has reduced oil consumption, decreased labour costs, increased plant availability and conserved energy, generating an estimated savings of US $1,112,000 over the last three years.

The product performance of Mobil SHC 630, alongside the application expertise provided by local Mobil engineering support, 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.

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