Tekma Ultima 10W-40 is a 100% synthetic lubricant, specially formulated for the latest generation of trucks, buses, construction machinery, farm machinery, stationary engines, and boat engines operating with low-sulfur fuel (<50 ppm). It is ideal for low-emission, turbocharged diesel direct injection engines compliant with Euro II, Euro III, Euro IV, Euro V, and Euro VI emission regulations, equipped with EGR (Exhaust Gas Recirculation) systems and supporting extended drain intervals.