Shell Rotella t, gallon, 10w30, cj4, motor oil, advanced soot control, premium quality, heavy duty multi grade, for all season use in diesel powered or a mix of gasoline & diesel powered equipment, recommended for highway & off highway applications, protects against engine wear that occurs due to soot, extends the life of your engine & can be used on a variety of vehicles, use in passenger cars, light trucks, fork lifts & farm equipment to help protect engines, designed to meet or exceed the warranty & service requirements of virtually all diesel & gasoline engine manufacturers, including newer & older engines.