The Car and Truck Fleet and Leasing Management Magazine

CK-4 and FA-4 Engine Oils on Store Shelves Now, API Says

March 31, 2017

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- and off-highway.

“New API CK-4 and FA-4 oils should be readily available in bulk through diesel oil distributors for trucking fleets and other operators of diesel vehicles,” said Kevin Ferrick, senior manager of API’s Engine Oil Licensing and Certification System. “They are also available in packages through local retailers.”

CK-4 oils are “backward-compatible,” intended for diesels previously using CJ-4 oils, and FA-4 oils are intended for newer engines, typically 2017 model-year and beyond. The upgraded oil specifications have been eligible for licensing since December 1, 2016 and the new oil products also help diesel engine manufacturers meet more stringent emissions requirements.

CK-4’s introduction is long overdue, as CJ-4 oils have been around for more than 10 years while diesels have changed, the institute said. CK-4 provides a number of improvements over CJ-4: improved shear stability, oxidation resistance, and aeration control, as well as protection against catalyst poisoning, particulate filter blocking, engine wear, piston deposits, degradation of low- and high-temperature properties, and soot-related viscosity increase.

FA-4 oils provide similar improvements over CJ-4 oils, but are not backward-compatible. FA-4 oils are intended only for use in newer on-highway diesel engines. The API FA-4 oil standard was developed specifically to provide engine manufacturers with a tool for meeting more stringent greenhouse gas emission standards.  

API has also developed a different API Service Symbol “donut” for API FA-4 so that consumers can easily distinguish between CK-4 and FA-4. The new API FA-4 Donut features a shaded section (either black or in color) to differentiate FA-4 oils from CK-4 oils. The CK-4 donut looks the same as the CJ-4 Donut.

With the introduction of the new FA-4 oil category, fleets, shops, and technicians may have to learn how to manage CJ-4, CK-4, and FA-4 oils in their shops. API offers the following suggestions to ensure the new oils are being installed as recommended:

Engine requirements - FA-4 oils may not be recommended for all new engines, so be sure to check with engine manufacturers to find out which engines are supposed to use FA-4 oil.

Bulk tanks - Replacing CJ-4 with CK-4 should be a simple transition because CK-4 is backward-compatible and an improvement over CJ-4. Oil change facilities and fleets should drain down their CJ-4 bulk tanks before adding the new CK-4 oil.

Dispensing equipment - All dispensing equipment should be properly labeled with the product name, viscosity grade, and API standard to prevent misapplication.

Education - Technicians should be made aware of the changes to the oil categories and the requirements for each.

Visit www.DieselOilMatters.com for more information about the new API CK-4 and FA-4 Service Categories and their use in on- and off-highway diesel vehicles and equipment.

API is the national trade association representing all facets of the oil and natural gas industry, which supports 9.8 million U.S. jobs and 8% of the U.S. economy, the institute said. API’s more than 625 members include large integrated companies as well as exploration and production, refining, marketing, pipeline, and marine businesses and the service and supply firms that support the industry and provide most of the nation’s energy. 

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  1. 1. MD [ April 02, 2017 @ 07:55AM ]

    However, Ford has said NOT to use certain CK oils in the 6.7 Powerstroke diesel. They recommend their oil. Spoke w/ a rep from a well known oil mfr and said that 1 type of their (which I wanted to use for next oil change) doesn't "meet" Ford's specs right now but should in next few months. If the engine is out of warranty, ok to use. Otherwise, suggested using a different type of oil if still in warranty and that is a blend NOT full synthetic and heavier weight and is still a CJ oil.

 

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