Triple Protection Technology: Defends against engine wear, deposit buildup, and oil breakdown. Emissions System Compatibility: Low-ash formulation safeguards exhaust catalysts and diesel particulate filters (DPF) on modern low-emission engines.
The Shell Rotella T4 Triple Protection 15W-40 Diesel Engine Oil is the best choice for long-haul truck operators or owners of heavy-duty trucks requiring high-quality, clean-burning diesel fuel protection.