The American Petroleum Institute (API) in 2016 introduced the FA-4 performance category for heavy- duty engine oils, in addition to the more conventional CK-4 category. The split in the category ...
Detroit Diesel Corporation announced its engine production has made a significant change by moving its factory-fill engine oil to a low viscosity FA-4. As of early January, Detroit has started using ...
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 ...
It’s too early in the game to officially say that the fuel efficiency promise of the newly rolled out API FA-4 oil-service category has been met. On the other hand, there is enough research already in ...
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