abstract |
The application provides a lubricating oil composition, which contains: lubricating oil base oil; (A) calcium salicylate detergent in 0.005-0.03 mass % of calcium content based on the total amount of the composition; (B) succinimide-based ashless dispersant whose total amount is 0.005 to 0.25 mass % based on nitrogen content; (C1) which is 0.005 to 0.15 mass % nitrogen content based on the total amount of the composition Nitrogen-containing antioxidants; and (D) nitrogen-containing friction modifiers containing or not containing 0.03 mass % or less in terms of nitrogen content based on the total amount of the composition; the total content of the metal-based detergents is as follows: based on the total amount of the composition Based on the amount, it is 0.005 to 0.03 mass % in terms of the amount of metal. |