Digging into the new diesel engine oils: Part two
Creating new engine tests turned out to be one of the more challenging aspects of establishing a new diesel engine oil category.
Dan Arcy, the global OEM technical manager for the Americas for Shell Lubricants, that out of the three “phases” within the Proposed Category 11 or “PC-11” five-year development process that will result in the new CK-4 and FA-4 diesel engine motor oils on Dec. 1, the second phase proved to be the hardest and longest.
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Source:: http://fleetowner.com/equipment/digging-new-diesel-engine-oils-part-two
