Formulated with premium hydrocracked base stock and a robust additives system that protect both diesel and gasoline engines against rust, corrosion, varnish and various deposits. Excellent soot-controlling properties. Recommended for both on-highway and off-highway, including construction, mining, forestry and stationary power generation. Super XLO offers extended service interval (ESI) performance and should be accompanied with AMI ALAS oil sample service. Super XLO is a preeminent long-life lubricant available for your heavy duty diesel equipment and is formulated to provide improved engine durability and performance.