abstract |
The lubricating oil composition can include a major amount of oil of lubricating viscosity and a minor amount of alkaline earth metal phenolic detergent. The lubricating oil composition may further have a BN greater than 140 mg KOH / g, and the marine diesel cylinder lubricating oil composition is substantially free of non-sulfurized tetrapropenyl phenol and its non-sulfurized metal salt. . |