It maintain outstanding engine cleanliness. Provide internal wear resistance and long life of engine. High oxidation and thermal stability. Excellent ability to control viscosity due to soot related oil thickening. Long drain period and suitable for all seasons.General Application & AttributesRecommended for naturally aspirated and highly super charged / turbo charged diesel engines operating under severe duty conditions in all seasons. IS : 136 56 - 2002 (EDL - 3) and MACKT7, API CF / CD, MIL -L - 2104 C