Servo Marine 4040 is one of the finest marine engine oils designed to comply with the provisions of latest medium-speed engines employed heavily in marine use and land-based DG sets. This oil exhibits an outstanding performance in standard and in-house engine assessments and earns an exceptional quality grade for piston hygiene in the MWM KD 12E engine test. This is a benchmark test that evaluates engine lubricants and is present in engine design specifications throughout Europe. The oil resists adhesive and corrosive abrasion at higher temperatures and safeguards the ring and liner against wear. It is used for the cylinder lubrication of cross head diesel engines requiring 30 or 40 TBN oil thus offering greater TBN retention. The oil isolates from water with ease, meets the American Petroleum Institute (API) service classification CD and passes MWM-B engine test for high temperature deposit control. It is accepted by Wartsila NSD, Finland for Vasa 22, 22/26 and Vasa 32 engines, including other leading engine manufacturers.
| Kinematic Viscosity cSt @ 100°C | 14.4-15.5 |
| Viscosity Index, Min. | 90 |
| Flash point (COC), °C Min. | 230 |
| Pour point °C Max. | (-) 12 |
| Total Base No., mg KOH/g, Min | 40 |
