MARINE DIESEL ENGINE LUBRICATING OIL COMPOSITIONS

摘要

Disclosed herein are marine diesel engine lubricating oil compositions which comprises (a) a major amount of an oil of lubricating viscosity, and (b) about 3 wt. % to about 40 wt. %, based on the total weight of the marine diesel engine lubricating oil composition, of a sulfurized, alkaline earth metal alkylphenate detergent which is substantially free of polyol promoter oxidation products.