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The HD 15W-40 Diesel Truck Motor Oil is a high-performance lubricant designed specifically for heavy-duty diesel engines. This 5-gallon container is ideal for professional mechanics and fleet operators who require reliable, long-lasting protection for their vehicles. The 15W-40 viscosity rating ensures excellent performance in a wide range of temperatures, providing smooth cold starts and robust protection in high-temperature conditions.

Formulated to meet or exceed industry standards, this diesel motor oil offers superior wear protection, helping to extend engine life even under severe operating conditions. It also provides excellent resistance to oxidation, sludge, and deposit formation, ensuring clean engine operation and maintaining peak efficiency.

Additionally, this oil is designed to support extended drain intervals, reducing the frequency of oil changes and lowering maintenance costs. It is compatible with a wide variety of diesel engines, including those with advanced emission control systems like EGR and SCR, making it a versatile choice for modern diesel trucks and heavy equipment.