| abstract |
An object of the present invention is to provide a substantially phosphorus-free lubricating oil composition for low ash engines, which is excellent in high temperature cleanliness and particularly suitable for an engine equipped with an exhaust gas aftertreatment device. The present invention relates to an engine lubricating oil composition substantially free of a phosphorus-containing compound, comprising (A) an ashless dispersant, (B) an ashless antioxidant, and a lubricating base oil. (C) An additive comprising a neutral metal salicylate detergent is contained as a main component, and the sulfated ash content of the composition is 0.5% by mass or less. [Selection figure] None |