CK 10W40 CF-4 10w40

As a professional factory, we specialize in manufacturing high-quality diesel engine oil, with the CF-4 10W-40 grade as one of our core products, tailored for your diesel engine lubrication needs.

API CF-4 Classification: Meets the API CF-4 performance standard, specifically formulated to provide reliable protection for four-stroke diesel engines. It effectively resists oxidation, controls deposits, and reduces engine wear, ensuring stable operation even under medium to heavy-duty working conditions.

– 10W-40 Viscosity Grade: Features a multi-viscosity formula. The “10W” ensures easy cold starting and smooth lubrication in low-temperature environments, while the “40” maintains stable viscosity and sufficient oil film strength to protect engine parts at high operating temperatures.