| abstract |
A lubricating oil composition which comprises or is made by admixing: n(A) an oil of lubricating viscosity, in a major amount; n(B) at least one oil-soluble or oil-dispersible sulfurized fatty acid ester, as an additive in an amount providing the lubricating oil composition with greater than or equal to 0.02 mass % sulphur; nand, n(C) at least one oil-soluble or oil-dispersible alkali metal or alkaline earth metal salicylate detergent, as an additive in an effective minor amount, providing greater than or equal to 5 mmol of salicylate soap per kilogram of the lubricating oil composition, nwherein the lubricating oil composition does not comprise a phosphorus ester additive. |