As the trucking industry moves toward the next generation of diesel engines, the introduction of new oils designed to further enhance fuel efficiency also is on the horizon. The upcoming PC-12 ...
PC-12 has been fully approved by API and will replace CK-4 and FA-4 engine oils starting in 2027. The new engine oil category includes FB-4 for lower-viscosity oils and CL-4 for higher-viscosity ...
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