GotQuestions? PC-11, The New Engine Oils

Q. How will you determine which oil is right for your equipment?

September 29, 2016

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A. As is the case today, selecting the right engine oil product for your fleet starts with an evaluation of the types of engines (make, model, vintage) that make up the fleet. Your Chevron representative will then be in a position to recommend the products that carry the industry and OEM specification credentials along with the viscosity grade options that meet the engine maker’s requirements. This will be increasingly important with PC-11, since there will be even more choices and new OEM requirements and restrictions.

Author Bio

Shawn Whitacre

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Senior Staff Engineer

Shawn’s career spans nearly 20 years focused exclusively on research and engineering dealing with heavy-duty engine lubricants, fuels, and materials. Before joining Chevron in 2013, he spent 12 years leading global fluids and materials engineering activities for Cummins. He also spent five years conducting lubricant, fuel, and emission research for the Department of Energy’s National Renewable Energy Laboratory in Golden, CO. At Chevron, he is a Senior Staff Engineer primarily responsible for product formulation of the Delo Brand of Heavy Duty Engine Oils. He is currently the lead formulator responsible for development of Chevron’s PC-11 product line upgrade. Whitacre is the new chairman of the ASTM Heavy-Duty Engine Oil Classification Panel, which is tasked with the final development of the Proposed Category 11 (PC-11) requirements that take effect in late 2016.


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