FA-4

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December 11, 2017

Phillips 66 Offers New FA-4 and CK-4 Engine Oils

Phillips 66 and Kendall have added four new FA-4 and CK-4 spec low-viscosity diesel engine oils to its heavy-duty product portfolio.

December 4, 2017

ExxonMobil Launches New Line of Synthetic Diesel Engine Oils

ExxonMobil has introduced a new lineup of Mobil Delvac 1 synthetic heavy-duty diesel engine oils, that includes three products that meet either API CK-4 or FA-4 specifications.

April 5, 2017

Truck Engine Teardown Examines FA-4 Oil Protection [video]

New fuel-efficient API FA-4 oils have lower viscosity, leading some to worry about engine protection. Chevron recently completed a 500,000-mile engine teardown at a Georgia trucking fleet that's been testing these oil formulations for four years.

November 22, 2016

New API Diesel Engine Oil Categories Arrive Dec. 1

The American Petroleum Institute's new diesel engine oil-service categories, API CK-4 and FA-4, will begin appearing in the marketplace on Dec. 1.

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