1. Shell HELIX HX6 10W-40 is a premium quality, fully synthetic motor oil designed to provide superior protection for modern engines. 2. It is formulated with Shell’s latest Active Cleansing Technology to help keep engines clean and running efficiently. 3. It provides outstanding protection against engine wear, corrosion and sludge deposits.4. Shell HELIX HX6 10W-40 also helps to reduce fuel consumption and reduce emissions.5. It is recommended for use in passenger cars, light vans and trucks with both gasoline and diesel engines.