The American Petroleum Institute will introduce a special Service Symbol Donut to help consumers identify the newly-approved FA-4 (PC-11) diesel engine oil. API approved two new diesel oil standards, ...
The two donut symbols are designed to help identify the new FA-4 and CK-4 diesel engine oils. Image: API The American Petroleum Institute is introducing a special Service Symbol Donut designed to help ...
The American Petroleum Institute will introduce a special Service Symbol Donut to help consumers identify the newly-approved FA-4 (PC-11) diesel engine oil. API approved two new diesel oil standards, ...
FLEET OWNER learned today that on December 4th, the ASTM Heavy Duty Engine Oil Classification Panel met and unanimously voted in the tests and limits needed to establish the new API CI-4 oil-service ...
The American Petroleum Institute is introducing a special Service Symbol Donut designed to help buyers differentiate between the new API FA-4 and CK-4 service categories for diesel-engine oils. The ...
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