| abstract |
(57) [Summary] (Correction) [Purpose] To provide a lubricating oil composition for internal combustion engines, which is excellent in both wear resistance and friction characteristics, and has other necessary properties as a lubricating oil for internal combustion engines. [Composition] In a lubricating base oil, (a) 0.01 to 10% by weight of sulfurized oxymolybdenum dithiocarbamate and / or sulfurized oxymolybdenum organophosphorodithioate, (B) 0.01 to 10% by weight of fatty acid ester, and / or 0.01 to 5% by weight of organic amide compound, and (c) at least selected from the group consisting of calcium sulfonate, magnesium sulfonate, calcium phenate and magnesium phenate. 0.1 to 10 of one compound % By weight, (d) 0.5 to 15% by weight of at least one compound selected from the group consisting of benzylamine, a boron derivative of benzylamine, an alkenylsuccinimide, and a boron derivative of an alkenylsuccinimide, and (e ) A lubricating oil composition for an internal combustion engine, comprising 0.1 to 7% by weight of zinc dithiophosphate and / or zinc dithiocarbamate. |