Servo Marine M 680 is a new generation Marine Engine Oil.It is produced to meet the requirement of modern medium speed trunk piston engines used in Marine propulsion and Land based DG sets.It gives excellent performance in several laboratory screening test,standard and in-house engine tests.It gives maximum protection from adhesive and corrosive wear at higher temperatures.It gives outstanding Piston and Liner cleanliness· It provides higher level of TBN retention and reduces Ring and Liner wear.It also separates from water easily.