API PC-12 engine oil categories CL-4 and FB-4 are advancing toward a 2027 launch. Here’s what the changes mean for fleets, ...
January 1, 2027, will be the first license date for two new heavy-duty engine oil categories, if all goes as planned.
The API is aiming for a 2027 rollout of the new engine oil spec, which is meant to enhance performance standards.
The new API CK-4 oils deliver many benefits that directly address major issues with off-road equipment, including extended drain intervals, reduced engine wear and ability to extend engine rebuild ...
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