Perfect for low-emission vehicles, Shell Rotella T1 30 motor oil features a low-ash formulation that minimizes the formation of deposits and helps to keep intake ports clean. It also helps engines maintain efficient combustion for emission compliance. Providing excellent rust and corrosion protection for vital engine parts, Rotella T1 is an easy-flow monograde and offers quality lubrication. The oil is suitable for turbo and non-turbocharged light and medium diesel-powered trucks, agriculture equipment, and certain hydraulic systems and transmissions.