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API heavy duty engine oil specifications

The change to American Petroleum Institute (API) CK-4 and FA-4, formerly known as PC-11, is pushing heavy-duty engine oil (HDEO) lubricants to a higher standard. There is an opportunity to deliver new products with an advanced formulation. We have taken an innovative approach to API CK-4 and FA-4 that delivers benefits in both fuel economy and wear protection for both older and newer engines.

how oronite is advancing heavy duty engine oil technology

Oronite has taken a new formulating approach to help address a broader spectrum of performance criteria in the development of API CK-4 and FA-4. With an increased emphasis on fuel economy, learn more about how we are working to deliver additives that can help lower-viscosity HDEOs deliver fuel savings without sacrificing wear protection and engine oil durability.

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