Sunlube Diesel Engine Oil 20W-60 is a heavy-duty, high-viscosity lubricant specially designed for naturally aspirated and supercharged diesel engines operating under extreme conditions. Formulated with premium base oils and advanced chemical additives, it ensures outstanding protection against wear, high-temperature deposits, and lubricant breakdown. Ideal for automotive, agricultural, mining, and construction engines using high-sulfur fuels, this oil provides reliable performance and long service life even in harsh environments and varying climates.