| abstract |
The lubricating oil composition for an internal combustion engine of the present invention is a lubricating oil composition having (A) component, (B) component and (C) component as essential components, and the phosphorus content of the composition is 50 mass ppm to 1000 mass ppm. : (A) Ingredient: Base Oil (B) component: the compound represented by following General formula (1) (C) component: metal-containing antioxidant In the formula, R < 1> -R < 8> represents a hydrogen atom or a C1-C20 alkyl group each independently, Z represents a C2-C20 hydrocarbon group, n represents the number of 1-10. |