Shell Rotella T 15W40 Motor Oil, 1 Gal, with Advanced Soot Control. This premium quality, heavy-duty multigrade oil is designed for all-season use in diesel-powered or a mix of gasoline- and diesel-powered equipment. It meets or exceeds the warranty and service requirements of virtually all diesel and gasoline engine manufacturers, including newer and older engines. Recommended for highway and off highway applications, especially where all-season use is desired. Protects against engine wear that occurs due to soot. Extends the life of your engine and can be used on a variety of vehicles. Use in passenger cars, light trucks, fork lifts and farm equipment to help protect engines.