| abstract |
The lubricating oil composition according to the present invention includes a base oil, (A) a substituted hydroxy aromatic carboxylic acid ester derivative represented by at least one of general formula (I) and general formula (II), and (B) a general formula And a heterocyclic compound represented by (III) or (IV), wherein the phosphorus content is 0.06% by mass or less based on the total amount of the composition, and the sulfated ash content is based on the total amount of the composition By being 1.2 mass% or less, even if it reduces the additive and metal type detergent containing a phosphorus content, high temperature cleanliness | purity and acid neutralization property can be maintained. |