All-Weather Synthetic Motor Oil for Heavy-Duty Diesel Engines (CK-4)

All-weather synthetic motor oil for the latest generation of heavy-duty and high-speed diesel engines with and without turbochargers, operating under severe conditions on low-sulphur fuel.
The oil has successfully passed extensive road and laboratory tests at VOLVO, Mercedes-Benz, MAN, MACK, and RENAULT testing centers and has received their official approvals.

Product Properties

• A premium synthetic base oil combined with an innovative additive package ensures optimal viscosity across a wide temperature range, delivering exceptional anti-friction, anti-wear, and anti-scuffing protection. It significantly extends engine life even under extreme loads and ensures measurable fuel economy;

• The stable synthetic base provides excellent thermal-oxidative stability. Together with advanced detergent–dispersant properties and low ash content, it effectively prevents scale, lacquer, and deposit formation, keeping all engine parts—especially the cylinder-piston group—exceptionally clean throughout the entire service interval;

• A unique formulation resists oxidation and aging. With reduced volatility and a high flash point, it minimizes oil consumption and allows for extended oil drain intervals up to 60,000 km or according to manufacturer specifications;

• The synthetic base provides excellent low-temperature performance, ensuring easy oil flow, fast lubrication, and reliable “cold starts” down to –30 °C, minimizing startup wear;

• Fully compatible with all exhaust after-treatment systems including DPF, TWC, EGR, and SCR, thanks to Low SAPS (low sulphated ash, phosphorus, sulfur) technology;

• Effectively protects all engine components from corrosion and oxidation;

• Features low foaming tendency and excellent resistance to aeration;

• Maintains optimal viscosity under high shear stress and soot dispersion conditions;

• Suitable for natural gas (LNG) and liquefied petroleum gas (LPG) fueled engines.

Applications

Designed for all types of heavy-duty diesel engines (long-haul trucks, buses, etc.), off-road equipment (construction, mining, agriculture), and special machinery from European, American, and Asian manufacturers meeting Euro I–VI requirements where an API CK-4 or lower performance level is specified.

⚠️ When using CK-4 oils with fuels containing more than 15 ppm sulfur, always follow the engine manufacturer’s service interval recommendations.