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MOTOREX Magazine 2012 97 EN

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MOTOR OIL NEXT GENERATION: MOTOREX NEXUS FE SAE 5W/30 Up to now the commercial vehicle sector has focused on reducing pollutants. Now this focus is shifting perceptibly towards decreasing CO2 emissions, something that can only be achieved by cutting fuel consumption. In developing the new NEXUS FE in low-friction SAE 5W/30 viscosity, MOTOREX is delivering the solution for greater fuel efficiency – today. Photo: Aroitner, Minimizing fuel consumption pays off for operators and the environment alike. MOTOREX NEXUS FE SAE 5W/30 is a valuable part of the solution. Heavy diesel engines are steadily breaking new ground in materials and technologies. Stricter emission standards and the need to cut fuel consumption are forcing commercial vehicle manufacturers all around the world to do planning and development years in advance. These efforts include a technology push to meet the Euro 6 standard, which will take effect in January 2014. In dialog with the leading engine manufacturers, MOTOREX is developing the lubricants of tomorrow today. Keeping the latest generation of engines equipped with innovative exhaust gas treatment systems running efficiently and economically requires a low-SAPS motor oil (with very low sulfate ash, phosphorus and sulfur content). In addition there are always new manufacturers’ specifications to meet, many of them finalized only shortly before they take effect. FORMULA POINTS THE WAY AHEAD With its new NEXUS FE (Fuel Economy) low-lubricity motor oil, MOTOREX is adding a low-SAPS oil in the groundbreaking SAE 5W/30 viscosity class to its range. Its low viscosity and special additives result in a measurable improvement in fuel efficiency. Quality base oils and additives keep the engine clean in all operating 8

THE FRICTION CURVE ACCORDING TO STRIBECK low Friction μ = has impact on fuel consumption high V Fn Solid-to-solid lubrication High wear V Fn Mixed lubrication Moderate wear d Sliding speed v V Fn Fn = Normal force d = Distance between surfaces Hydrodynamic lubrication — = Standard SAE 15W/40 motor oil — = MOTOREX NEXUS FE SAE 5W/30 Hydrodynamic lubrication No wear Sliding surfaces — = Lubricant film NEXUS FE SAE 5W/30’s innovative additive package brings optimum protection against wear in the boundary and mixed lubrication phases. NEXUS FE SAE 5W/30 APPROVALS ACEA E9, E7, E6 API CJ-4, CI-4/ SN MB-Approval 228.51 MAN M 3477, M 3271-1 VOLVO VDS 4, VDS 3, CNG Renault RXD, RLD-3, RLD-2, RGD Deutz DQC IV-10LA MTU Type 3.1, Cummins CES 20081 MACK EO-M Plus, EO-O, Premium Plus, EO-N CAT ECF-3, ECF-2, ECF-1a Safety + Performance: MB 228.31 PERFECT SOLUTION FOR SCANIA TOO The new MOTOREX POWER LD SAE 10W/40 is the perfect engine oil for SCANIA, which demands the LDF-3 manufacturer’s specification. conditions while offering high shear stability and long-lasting protection against wear. MOTOREX NEXUS FE is one of the first engine oils to meet both the ACEA E6 and API CJ-4 specifications. Experts will be quick to spot the numerous uses for this type of oil. Until now, customers have had to use two different oils to meet both specifications, making the new NEXUS FE a pioneer in simplified inventory management as well. BENEFITS AT A GLANCE As MOTOREX’s most advanced low-SAPS fuel economy motor oil for commercial vehicles, NEXUS FE SAE 5W/30 offers considerable advantages because it: • Measurably reduces fuel consumption, thereby decreasing CO 2 emissions • Provides outstanding protection against wear • Is extremely versatile • Is perfect for EURO 6 engines (observe manufacturers’ recommendations) THE PERFECT FRICTION CURVE The Stribeck Curve describes how frictional force varies as a function of sliding speed. A range of friction and lubricant conditions occur in diesel engines. At rest, the parts lie in fixed contact, not separated by a film of lubricant. Once the engine starts, the lubricant film gradually builds up. The system passes through the phases of boundary lubrication and mixed lubrication until the sliding surfaces are fully separated by a hydrodynamic lubricant film. Thicker oils such as SAE 15W/40 form a stable lubricant film more quickly during the mixed lubrication phase than thinner ones such as SAE 5W/30 oils (see illustration). To minimize wear in this critical phase, lowviscosity MOTOREX NEXUS FE uses an innovative anti-wear additive package. This keeps the friction coefficient and wear low during the mixed lubrication phase. Later, during the fluid lubrication phase, the lower viscosity results in markedly lower friction resistance, which in turn means higher efficiency and lower fuel con sumption. Depending on operating conditions, engines produce an average of 93 % of their output during the fluid lubrication phase – a strong argument for using MOTOREX NEXUS FE SAE 5W/30 to keep fuel con sumption low. Your MOTOREX partner will be glad to answer any questions you may have about NEXUS FE SAE 5W/30 and whether it’s suitable for your vehicle fleet. • MOTOREX MAGAZINE I DECEMBER 2012 9



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