The American Petroleum Institute (API) is working on an anticipated new diesel engine oil specification known as “PC-12,” which is expected to supplant present specifications CJ-4 and FA-4 once new emissions standards take hold in diesel-powered trucks in the future. What does this mean for your maintenance operation?

Originally slated for introduction for the 2027 model year, PC-12 was intended to be released by December 2026, just in time for the first “Phase 3” trucks and tractors designed to meet the next scheduled round of emission reductions. However, a rollback of Phase 3 emissions standards by the Environmental Protection Agency has cast doubt on the release date for this formulation, since the oil formulation was designed specifically for Phase 3 engines.

That doesn’t mean work is stopped on PC-12, however. Attend this session and learn what are the plans for this new formulation, how your operation can expect to integrate it into its fleet once the new Phase 3 vehicles hit the streets, and gain some insights into the timeline for the introduction of both the vehicles and oils in question.