Ring Free DD 40 is a high quality low ash engine oil designed for use in 2-stroke diesel engines. This grade has excellent detergency/dispersancy characteristics, resistance to oxidation and good thermal stability. Ring Free DD 40 will also protect engine components from rust and corrosion. This oil is the outcome of extensive research, development and testing and is particularly recommended for Detroit Diesel Corporation engines.



Performance Levels
API CF-2
DETROIT DIESEL CORPORATION 7SE 270 9205