Castrol MHP Range is a high performance lubricant formulated using high quality base oils and additives. Available in both SAE 30 and 40 viscosity grades it is specifically developed for use in modern highly rated marine and power generation four-stroke engines. MHP’s high load carrying capabilities and excellent gear performance means it can be used as a common oil for engine and transmission systems. MHP exceeds the specifications of API CF and is approved by major marine engine makers worldwide.