Servo Premium (N) 15W-40 is a premium quality engine oil designed for the severe performance requirements of new generation diesel engines of both American and European Design used in on and off highway operations. It has excellent shear stability and provides reduce engine scuffing and bore polishing, improved control and oil consumption and protection from wear and deposits. Meets MB 228.3, ACEA E7-12,VDS-3,Mack EO-N,Cummins CES 20078 and API CI-4, performance levels. It is approved by M/s. MTU Germany for use in MTU engines and DDC engines series 2000 / 4000.