Revline Hercules CH-4 15W-40 Super High Performance Diesel oil. It is especially recommended for engines of trucks, tractors, buses, road and construction machinery with SCR and EGR systems. Adapted for engines meeting Euro V standards, it will also work perfectly in engines meeting the more stringent emission requirements of Euro IV, III, II, I. It provides adequate lubrication even with extended drain intervals. It can also be used also in gasoline engines.