This 15w40 diesel oil is available in a convenient 2-1/2 gallon container, designed for heavy-duty diesel engines. It offers superior protection against wear and deposits, ensuring reliable engine performance. With a viscosity rating of 15w40, it provides excellent lubrication in various temperature conditions, making it ideal for trucks and heavy equipment. This oil meets API CK-4 and CJ-4 specifications, ensuring compatibility with a wide range of diesel engines. Its advanced formulation helps improve fuel efficiency and prolong engine life, making it an essential choice for commercial and industrial applications.