American Petroleum Institute Archives - Fleet Equipment Magazine
How API engine oil categories are defined

Ever wondered how those engine oil categories from the American Petroleum Institute (API) are decided upon? Here’s a bit of behind-the-scenes info. “It’s important to note that once a standard or an API category has set those specifications, they remain untouched,” says Jeff Harmening, API manager of the Engine Oil Licensing and Certification System (EOLCS). 

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API certification: What it is, what it means and why you should look for it

The mission of the American Petroleum Institute (API) is: “To promote safety across the industry globally and to influence public policy in support of a strong, viable U.S. oil and natural gas industry.” What does that mean to you? According to Jeff Harmening, API manager of the Engine Oil Licensing and Certification System (EOLCS), API exists

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What’s behind the slow adoption of FA-4 oil?

Introduced three years ago, the American Petroleum Institute (API)’s CK-4 and FA-4 oil categories were billed as the next generation of oil, improving on the engine protection and fuel economy benefits offered by previous engine oil categories.

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CK-4 and FA-4 oils provide different benefits

With the creation of two diesel engine oil categories a few years ago and with a growing number of viscosities for diesel engines, fleets need to be aware of the new types of oils—API CK-4 and API FA-4—and the differences between them.

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Why you might want to focus on FA-4 engine oil

With a year of the new American Petroleum Institute (API) CK-4 and FA-4 oil categories under the industry’s belt, you have, most likely, switched your fleet over to the CK-4 formulation, as that was the engine OEM-approved backward compatible formula. The transition to FA-4 formulations for 2017 engines, on the other hand, has been a

API CK-4, FA-4 engine oils will be available Dec. 1

On Thursday, Dec. 1, the American Petroleum Institute’s (API) new diesel engine oil standards, API CK-4 and FA-4, will begin appearing in the marketplace on licensed products and marketing materials. This means consumers will be able to easily identify the API CK-4 or FA-4 category oils that are expected to be recommended in new owners’

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