ExxonMobil to introduce new CK-4 and FA-4 oils
On Tuesday, Sept. 20, ExxonMobil will introduce the new product line and details of its Mobil Delvac-branded CK-4 and FA-4 commercial vehicle engine oils.
These new oils are designed to meet the American Petroleum Institute’s (API) Proposed Category 11 (PC-11) lubricant specification, set to go into effect on Dec.1.
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Source:: http://fleetowner.com/maintenance/exxonmobil-introduce-new-ck-4-and-fa-4-oils
