Shawn Whitacre

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.

rss feed Author's Website

Shawn Whitacre's Latest Posts

Ozark Pushes Drain Intervals to 75,000 Miles with Delo

Ozark Pushes Drain Intervals to 75,000 Miles with Delo

by on August 11, 2017 0 Comments

Memphis-based Ozark Motor Lines is an irregular-route truckload carrier serving customers across the continental U.S.

Continue Reading »

SynBlends Lead the Trend Toward Lower Viscosity Synthetic HDMO

SynBlends Lead the Trend Toward Lower Viscosity Synthetic HDMO

by on July 27, 2017 2 Comments

In an earlier article, we explored the trend toward synthetic oils on the trucking industry, and the differences between synthetic and conventional oils. Synthetics are certainly gaining traction as manufacturers recommend lower viscosity oils to improve fuel economy.

Continue Reading »

Webinar: What the New Diesel Oil Specifications Mean for Agriculture

Webinar: What the New Diesel Oil Specifications Mean for Agriculture

by on July 20, 2017 0 Comments

Last year’s long-awaited launch of two new API oil categories, CK-4 and FA-4, generated a lot of buzz in the on-highway trucking industry. But what is the significance of these new oils for off-highway vehicles, specifically tractors and farm equipment?

Continue Reading »

After 550,000 Miles on Delo, Hoge Motor’s Mack MP 8 Engine Looks Excellent

After 550,000 Miles on Delo, Hoge Motor’s Mack MP 8 Engine Looks Excellent

by on July 12, 2017 2 Comments

Tommy Hoge and his wife, Crystalee, represent the second generation of family ownership of Hoge Motor Company, founded by Tommy’s father Lawrence in 1963. Chevron recently conducted a teardown of Delo heavy duty diesel engine oils and coolants.

Continue Reading »

Keep it Fresh: Delivering Perishable Goods Demands Dependability

Keep it Fresh: Delivering Perishable Goods Demands Dependability

by on May 26, 2017 2 Comments

Equipment reliability is absolutely critical to Boaty’s business. Boaty’s Transport is a family-owned refrigerated trucking company based in Jackson, Georgia.

Continue Reading »

How a Major Recycler Maximizes Uptime and Minimizes Operating Costs of its Natural Gas Fleet

How a Major Recycler Maximizes Uptime and Minimizes Operating Costs of its Natural Gas Fleet

by on May 8, 2017 0 Comments

TFC’s trucks are under tremendous pressure, hauling 10,000 to 12,000 tons of recyclables a month under severe-duty, stop-and-start conditions and in an area where summer temperatures can exceed 100o Fahrenheit.

Continue Reading »

On the Horizon: API CK-4 Synthetic Diesel Engine Oils

On the Horizon: API CK-4 Synthetic Diesel Engine Oils

by on April 7, 2017 7 Comments

There are still some pockets of resistance to synthetic oils in the heavy duty motor oil market, perhaps a misconception that they aren’t as good as the “real” thing.

Continue Reading »

When it Comes to New Oils, There is No Such Thing as Too Much Field Testing

When it Comes to New Oils, There is No Such Thing as Too Much Field Testing

by on August 17, 2016 2 Comments

When the new API CK-4 and FA-4 oils hit the market later this year, they will have undergone some of the most rigorous, varied and exhaustive testing in the industry.

Continue Reading »

Piston Deposit Control: Avoiding the High Cost of Engine Damage

Piston Deposit Control: Avoiding the High Cost of Engine Damage

by on July 20, 2016 2 Comments

In our recent blog series, we’ve been exploring the three key traits to look for in the new API CK-4 and FA-4 engine oils. We covered two of these in detail earlier: oxidation control and wear protection. Now, let’s take a deeper dive into the third: piston deposit control.

Continue Reading »

Wear Protection in PC-11 Oils: Engine Durability Means Higher ROI

Wear Protection in PC-11 Oils: Engine Durability Means Higher ROI

by on July 13, 2016 6 Comments

We’re continuing our blog series focused on the key traits associated with engine oil and how those will be impacted by the new PC-11 specifications. In this installment, we focus on wear protection — protecting engines from wear is one of the most pivotal functions of the motor oil.

Continue Reading »