GotQuestions? PC-11, The New Engine Oils

Q. Is PC-11 just for the On-hwy segment and is it relevant to off-hwy?

September 29, 2016

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A. PC-11 will offer improvements to engine oils that are important for diesel engines of all types, even off-highway! With improved oxidation stability, wear performance and shear stability, PC-11 oils will deliver additional benefits to customers around engine durability, oil drain interval extension and a wider range of products formulated for a wide range of off-road applications.

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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