| abstract |
An object of the present invention is to provide a low-sulfur lubricating oil having excellent anti-wear properties and excellent long-drain properties, especially a lubricating oil composition suitable for an internal combustion engine. The lubricating base oil comprises, based on the total amount of the composition, (A) an alkali metal or alkaline earth metal salicylate containing at least one compound selected from the compounds represented by the following general formula (1), and / or 0.005 to 0.4% by mass of the (over) basic salt in terms of a metal element, (B) 0.005 to 0.2% by mass in terms of a phosphorus element, and (C) A) a lubricating oil composition comprising 0.01 to 1% by mass of the amide compound represented by the general formula (2) and having a total sulfur content of 0.3% by mass or less. Embedded image [Selection diagram] None |