LUBRICATING OIL FOR INTERNAL COMBUSTION ENGINE

摘要

There is disclosed a lubricating oil for an internal combustion engine which comprises a mineral oil and/or a synthetic lubricating oil as a base oil, capable of adding oxymolybdenum dithiocarbamate sulfide containing a hydrocarbon group having an average number of carbon atoms of not less than six in the amount of 0.005 to 0.2% by weight when calculated as molybdenum (Mo), zinc dithiocarbamate containing a hydrocarbon group having an average number of carbon atoms of not less than six in the amount of 0.01 to 0.5% by weight when calculated as sulfur (S), zinc dithiophosphate having an average number of carbon atoms of not less than six in the amount of 0.01 to 0.2% by weight when calculated as phosphorus (P), and polymeric alkenyl succinic acid imide.