Mobil Delvac MX™ 15W-40 is a high-performance diesel engine oil designed to deliver effective lubrication and extend engine life in demanding conditions. It exceeds or meets the specifications of major European and American engine manufacturers, ensuring reliable performance in both modern low-emission engines and older engines using low or high-sulfur fuels. The oil features a blend of high-quality base oils and a balanced additive system that controls oil thickening due to diesel soot and high temperatures, while offering resistance to oxidation, corrosion, and high-temperature deposits. Recommended by ExxonMobil for use in a variety of applications including trucking, construction, mining, and agriculture, it ensures optimal engine protection and longevity.