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KOUPER PROMAX Engine Oils

  • “Unmatched Performance and Protection”
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KOUPER PROMAX Engine Oils

In today's automotive landscape, engines are meticulously designed to strike the perfect balance between power, fuel efficiency, and emissions control. KOUPER PROMAX engine oils stand out with their exceptional formulation, designed to meet or surpass the industry's most demanding standards. Here's why KOUPER PROMAX is the top choice for engine protection.

• Superior Wear Protection
• Advanced Cleaning Power
• Optimal Performance
• Tested and Trusted
• Preferred by Automakers

Discover the KOUPER PROMAX Difference

Experience the ultimate in engine protection and performance with KOUPER PROMAX engine oils. Whether you're a daily commuter, an off-road adventurer, or a high-performance enthusiast, KOUPER PROMAX is designed to meet the unique demands of your engine.

Explore our range of KOUPER PROMAX engine oils today and give your engine the care it deserves.

KOUPER PROMAX Engine Oils: Keeping Engines Running Like New.

  • KOUPER PROMAX 20W-40 – ENGINE OIL – SEMI-SYNTHETIC TECHNOLOGY

    “Xtreme Performance”
    KOUPER PROMAX 20W-40 engine oil specially formulated to provide excellent protection to conventional four-stroke motorcycle engines. PROMAX 20W-40 from premium quality base stocks with new generation surface active additives. This provides high oxidation and thermal stability to minimize the deposits formation in and around the engine & gives long life & complete protection of engines. PROMAX 20W-40 for general use in all types of four-stroke motorcycles and engines, helps in keep engine parts clean with low varnish, sludge and deposits.

    Type Unit Value Method
    Grade SAE 20W-40
    Density 15 °C, [g/сm3] g/cm³ 0.86 to 0.88 ASTM D 1298
    Kin. viscosity 40 °C [mm2/s] mm²/s 120 - 125 ASTM D 445
    Kin. viscosity 100 °C [mm2/s] mm²/s 15 -17 ASTM D 445
    Viscosity index 120 to 130
    Pourpoint, [°C] °C - 30 ASTM D 4627

    • Application - General use in all types of four-stroke motorcycles and engines
    • Performance level - API SN, JSASO ma2

  • KOUPER PROMAX 15W-40 API CI-4 PLUS - SYNTHETIC TECHNOLOGY ENGINE OIL

    “Xtreme Performance”
    KOUPER PROMAX 15W-40 API CI-4 PLUS Diesel Engine Oil integrates cutting-edge low-SAPS (sulphated ash, phosphorus, and sulphur) multifunctional additives with synthetic technology to adhere to the latest standards set by a diverse array of engine manufacturers. Tailored for heavy-duty diesel engines, it accommodates modern low-emission diesel engines as well as those employing exhaust after-treatment systems.
    KOUPER PROMAX 15W-40 surpasses the stringent criteria set forth by the American Petroleum Institute (API) CI-4 Plus diesel specification. It offers outstanding capabilities in managing soot, controlling oil consumption, and minimizing engine wear, ensuring superior performance and longevity.

    Type Unit Value Method
    Grade SAE 15W-40
    Density 15 °C, [g/сm3] g/cm³ 0.84 to 0.86 ASTM D 1298
    Kin. viscosity 40 °C [mm2/s] mm²/s 105 - 110 ASTM D 445
    Kin. viscosity 100 °C [mm2/s] mm²/s 14 - 16 ASTM D 445
    Viscosity index 130 to 140
    Pourpoint, [°C] °C - 40 ASTM D 4627

    • Application - High Performance Light & heavy-duty trucks & buses Engine Oil
    • Performance level - API CI-4 Plus

  • KOUPER PROMAX 10W-30 – ENGINE OIL –SYNTHETIC TECHNOLOGY

    “Xtreme Performance”
    KOUPER PROMAX 10W-30 engine oil specially formulated to provide excellent protection to modern four-stroke motorcycle engines. PROMAX 10W-30 from premium quality base stocks with new generation surface active additives. This provides high oxidation and thermal stability to minimize the deposits formation in and around the engine & gives long life & complete protection of engines.
    PROMAX 10W-30 for general use in all types of four-stroke motorcycles and engines, helps in keep engine parts clean with low varnish, sludge and deposits.

    Type Unit Value Method
    Grade SAE 10W-30
    Density 15 °C, [g/сm3] g/cm³ 0.85 to 0.88 ASTM D 1298
    Kin. viscosity 40 °C [mm2/s] mm²/s 65 - 70 ASTM D 445
    Kin. viscosity 100 °C [mm2/s] mm²/s 10 - 13 ASTM D 445
    Viscosity index 135 to 140
    Pourpoint, [°C] °C - 35 ASTM D 4627

    • Application - General use in all types of four-stroke motorcycles and engines
    • Performance level - API SN, JSASO ma2

  • KOUPER PROMAX 5W-30 – ENGINE OIL –SYNTHETIC TECHNOLOGY

    “Xtreme Performance”
    PROMAX MAXLOCK Formula 5W-30 is a top-tier full synthetic engine oil that ensures your engine runs smoothly and efficiently. Offering superior wear protection, exceptional cleaning power, and enhanced performance, this oil surpasses industry standards and outperforms conventional options. PROMAX technology is the choice of many vehicle manufacturers, including those producing high-performance models.

    Type Unit Value Method
    Grade SAE 5W-30
    Density 15 °C, [g/сm3] g/cm³ 0.85 to 0.87 ASTM D 1298
    Kin. viscosity 40 °C [mm2/s] mm²/s 60 - 66 ASTM D 445
    Kin. viscosity 100 °C [mm2/s] mm²/s 11 - 12 ASTM D 445
    Viscosity index 140 to 150
    Pourpoint, [°C] °C - 45 ASTM D 4627

    • Application - all types of modern vehicles, including high-performance turbo-charged, supercharged gasoline and diesel multi-valve fuel injected engines found in passenger cars, SUVs, light vans and light trucks.
    • Performance level - API CF
    • This product meets or exceeds the requirements of: API SJ, API SL, API SM, API SN, API SN PLUS

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