HARDEX F-SYN HEAVY DUTY DIESEL ENGINE OIL is specially engineered with the finest synthetic base stock and advance technologies additives to offer superb performance and drivability. It is specifically formulated to promote maximum engine power output. Rapid Lubrication to all engine parts to inhibit corrosion, wear, ageing and friction under all type of driving conditions. Designed for new generation, low emission diesel engines by providing excellent soot and deposit control, high temperature oxidation, prevents foaming sludge formation and oil thickening.