Delgas M 40 is a high quality, medium ash oil for stationary gas engines based on specially refined base oils and a carefully selected additive package. The dispersants and detergents contained in the oil control sludge and deposit formation, keeping the engine clean. Due to its unique properties, it provides extended oil change intervals, reducing repair and maintenance costs for gas engines. Benefits of the oil: - excellent thermal stability, - resistance to oxidation and knitting, - very good wear protection, - very good protection against deposit formation, - very good resistance to foaming, - excellent anti-corrosion properties,