Shell Rimula R6 M is a synthetic product that provides excellent protection for heavy-duty diesel engines. It is ideal for fleet managers looking to reduce operating costs by offering a single universal lubrication for a variety of makes and engine types, including Euro II, Euro III and some Euro IV. It is distinguished by its ability to reduce fuel consumption, reduce exhaust emissions and extend drain intervals in European engines. Compared to conventional SAE 15W-40 oils, Shell Rimula R6 M provides improved fuel efficiency, better protection against corrosion, deposits and wear, and is approved by leading engine manufacturers.