Mobil Delvac MX 15W-40 is an extra high-performance diesel engine oil that provides excellent lubrication for today's diesel engines promoting extended engine life. As a result, this product meets or exceeds the specifications of virtually all major European and American engine manufacturers. This extra high performance has been proven in the field in a wide variety of industries, applications, and mixed fleets.
The advanced chemistry of this product provides outstanding performance in both modern, demanding low-emission diesel engines and older diesel engines operating on low or high sulfur fuel. Mobil Delvac MX 15W-40 is biodiesel compatible* and combines a blend of high-performance base stocks with a progressive additive system to provide superior control of oil thickening due to soot build-up and high temperatures as well as outstanding resistance to oxidation, corrosion, and high-temperature deposits.