Article

CK-4

June 2017, TruckingInfo.com - Feature

FA-4: Oil Worth Waiting For

The new API FA-4 oil-service category was developed specifically to work in concert with the new generation of more fuel-efficient heavy-duty diesels starting to come on the market. Photo: Shell Oil

By David Cullen

The newest API oil-service category promises to boost mpg, but its use is limited to new engines.

Tags: Diesel Engines, Oil, Engine Oil, CK-4

November 2016, TruckingInfo.com - Feature

Answers to 3 Key Questions on the 2 New Oil Categories

Oil companies have done extensive testing of CK-4 and FA-4 engine oils to help give engine makers and fleets confidence in the ability of these oils to protect engines and even extend drain intervals. Photos: Shell

By David Cullen

With engine oils meeting new CK-4 and FA-4 category specs on the market, fleets need to know how best to make use of them.

Tags: Engine Oil, Low-Viscosity Oil, CK-4, Motor Oil, Diesel Engines

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