PC-12 Additives and What They Mean for Fleets

As the industry prepares for the next generation of heavy-duty engine oils with the upcoming PC-12 standard, the technology inside these oils is as important as the category itself. At the heart of PC-12 are advanced additive technologies that help protect modern diesel engines while supporting improved efficiency and reliability for fleets.

PC-12 engine oils will use enhanced additive packages developed to meet the evolving needs of diesel engines and fleet operations. These improvements include significantly stronger oxidation resistance to help prevent oil breakdown at high temperatures and reduce sludge buildup, which can help engines stay cleaner and last longer.

Another key focus is wear protection. New testing protocols are being introduced to ensure the oils provide robust protection for critical components, even in lower viscosity grades that balance protection with fuel economy.

PC-12 oils will also support diesel particulate filter performance by controlling sulfated ash levels. Better control of these elements helps reduce filter clogging and limits catalyst poisoning, which can mean longer service intervals and reduced unplanned downtime.

Finally, the additive formulations will offer expanded compatibility with engine sealing materials, helping reduce the risk of leaks and deterioration of elastomer parts under demanding operating conditions. Shell Rotella is testing candidate PC-12 oils through both laboratory evaluations and real-world fleet trials to ensure these advanced additive packages deliver consistent performance across a wide range of conditions. This focus on additive performance, engine protection, and emissions system compatibility positions PC-12 to be a meaningful advancement in heavy-duty lubrication as fleets look toward future engine technologies.

Want to learn more about PC-12? Visit this link: https://rotella.shell.com/en_us/info-hub/pc-12.html