Keep slow-speed engines clean and protected with Castrol Cyltech—engineered to handle variable fuel sulfur levels and tough marine conditions.
* MAN Energy Solutions (MAN ES) no objection letter for category II cylinder oil Cyltech 40 XDC, 40BN, SAE 50 from Castrol.
** Tests were performed as per the MAN ES category II approval process and Castrol Cyltech 40 XDC was recommended for use with MAN B&W two-stroke engines Mark 9 and higher. Different engine types and different engine operation conditions may require different cylinder lubrication feed rates and or oil type.
*** Based on no harms vessel trials carried out by bp on B30 and B50 biofuel blends with residual fuel (VLSFO) lubricated by Castrol Cyltech 40SX.
No two vessels are the same, which means you can’t afford to make assumptions about BN levels across all cylinder lubricants. Castrol Technical Services can help ensure you are using the appropriate lubricant, along with the right feed rate, and monitoring approach to maximize long-term performance. We’ve got an unbeatable depth of engineering knowledge and skills to work with you on a one-to-one basis. Our SmartGains methodology is designed to maximize the operation and productivity of your asset, prevent unnecessary costs and delays, and optimize the ordering process. And with LabCheck it’s easy for you to get the right data at the right time, identify every potential saving, and minimize unplanned downtime.