Detroit makes FA-4 the factory-fill oil for heavy-duty engines

| April 20, 2017

Detroit Diesel Corporationsays it is moving its factory-fill engine oil to low viscosity FA-4 on the DD13, DD15 and DD16 heavy-duty line of engines.

Detroit Engineering has issued two new fluid specifications for the use of the recently introduced PC-11 category: DFS 93K222 covers CK-4 engine oils, which replace CJ-4 as the industry standard. DFS 93K223 covers the FA-4 engine oils with an emphasis on fuel-economy improvements.

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