Conventional 15W-40 CK-4 Heavy Duty Motor Oil

Our Conventional 15W-40 CK-4 Heavy Duty Motor Oil is engineered for high-output diesel engines operating under severe conditions. Formulated with premium base oils and a robust additive package, this oil delivers exceptional protection against wear, oxidation, and deposits while meeting the requirements of modern emissions control systems.

The 15W-40 viscosity grade ensures excellent cold-start performance and strong oil film strength at high operating temperatures, making it suitable for year-round use in heavy-duty on-highway and off-highway applications.

Certified to API CK-4 specifications, this oil is compatible with engines equipped with Diesel Particulate Filters (DPF), Exhaust Gas Recirculation (EGR), and Selective Catalytic Reduction (SCR) systems. It provides excellent soot handling, reduces viscosity increase, and helps keep engines cleaner for longer drain intervals.

Key Benefits:

• Superior wear protection and thermal stability

• Advanced soot dispersion to prevent abrasive wear

• Excellent oxidation control for extended oil life

• Compatible with modern emissions control systems

• Ideal for severe service and extended drain intervals

Perfect for fleets, construction, and industrial applications requiring a 15W-40 CK-4 conventional oil for dependable, heavy-duty engine protection.