New API CK-4 & FA-4 Engine Oils Available Now

API CK-4 & FA-4 Diesel Motor Oil On Store Shelves Now

The American Petroleum Institute (API) says it has licensed approximately 400 CK-4 oils and more than 60 FA-4 oils submitted by marketers, making the robust new classifications available to operators of new and older diesels. API expects availability to grow substantially over the next few years as more oil marketers add products meeting the new standards to address the needs of a variety of engine technologies in use both on-…

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Shell Rotella Exceeds New CK-4 Specifications

Shell Rotella Surpasses CK-4 Standards

The American Petroleum Institute (API), working with engine manufacturers and oil makers, has completed redesigning two new heavy-duty engine oil specifications. Nearly a decade has passed since the last diesel engine oil category, API CJ-4, was developed and major changes are required. The current CJ-4 standard has lasted well beyond the life of the typical engine category. Some of the engine tests required to qualify an oil are no longer…

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