Rubia Optima 3100 10W-40 is particularly suitable for on-road diesel and gas heavy duty applications.Rubia Optima 3100 10W-40 is adapted to Euro VI and previous Mercedes-Benz, DAF and some Scania engines. It is also suitable for most Euro V vehicle manufacturers. This lubricant enables coverage of a fleet of mixed brands with a minimal number of products (American and European manufacturers).Outstanding detergent, antioxidant and anti-corrosion properties, help to reach extended oil drain intervals, required by DAF, MAN and Mercedes-Benz and reduce maintenance costs.