This 15w40 diesel oil, packaged in a 55-gallon drum, is engineered for heavy-duty diesel engines. It provides exceptional protection against wear, deposits, and oxidation, ensuring optimal engine performance. The 15w40 viscosity rating offers excellent lubrication in both high and low-temperature conditions, making it suitable for a variety of applications, including trucks and heavy machinery. This oil meets API CK-4 and CJ-4 specifications, ensuring compatibility with modern diesel engines. Its formulation helps improve fuel economy and extend engine life, making it a preferred choice for commercial operators.