A method of lubricating a crosshead engine

摘要

A method of lubricating a cylinder liner and a crankcase in a marine diesel crosshead engine with the same lubricating oil composition. The lubricating oil composition has a TBN, as measured using ASTM D 2896-98, of 10 to 55 mg KOH/g. The lubricating oil composition comprises: at least 40 mass% of an oil of lubricating viscosity; at least one detergent; at least one dispersant; and at least one anti-wear additive.