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 ...
Shell Lubricants has introduced a new portfolio of Shell Rotella heavy-duty diesel engine oils. Shell says its Rotella T4 Triple Protection 15W-40 and 10W-30, along with Shell Rotella T5 Synthetic ...