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Monday, December 12, 2016VOLUME 12 ISSUE 50
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API's CK-4 and FA-4 Licensed Oils Lists Available

On Thursday, December 1, the American Petroleum Institute's (API) new diesel engine oil standards, API CK-4 and FA-4, began appearing in the marketplace on licensed products. 
API CK-4 oils will replace current API CJ-4 engine oils and will be backward compatible with most applications where engine manufacturers currently recommend CJ-4. The new CK-4 oils will provide a number of improvements over CJ-4, including improved shear stability, oxidation resistance, and aeration control. API FA-4 oils will provide similar improvements over CJ-4 oils, but it is important to note that FA-4 oils are only intended for use in newer on-highway diesel engines. FA-4 oils will have limited or no backward compatibility with on- and off-highway diesel engines where engine manufacturers recommended CJ-4. While not specifically backward compatible, FA-4 oils are expected to play an important role in some current and new diesel engines by protecting those engines and at the same time helping them meet more stringent emissions requirements.
As of this past Saturday, December 10, there were 69 API CK-4 licensed oils and 35 API FA-4 licensed oils on the API lists.
Click here to view the licensed API CK-4 oils on the API list
Click here to view the licensed API FA-4 oils on the API list
Oils will continue to be added to these lists as the licenses are granted. Therefore the number of licensed oils will continue to change.


Global Lube Base Oil Specifications

API Group I
API Group II
API Group IV
API Group V

December 5, 2016
November 28, 2016
November 21, 2016
November 14, 2016
November 7, 2016


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