NISOTEC MARINA XD SAE 30 and SAE 40 are engine oils intended for the lubrication of medium-speed diesel engines used to drive ships or power generators on board. They are recommended for lubricating engines that use diesel fuel with a sulfur content of up to 1.5%. The performance additives contained in NISOTEC MARINA XD SAE 30/ SAE 40 give them outstanding anti-wear and heavy-duty properties.