From the manufacturer
Better Fuel Economy and Improved Wear Performance
Through the use of Shell’s most advanced technology, Shell Rotella T6 5W-40 synthetic heavy duty engine oil offers enhanced fuel economy capability of 1.5%* that can save money in fuel consumption, without compromising engine protection or durability. *Compared to 15W-40 oils.
Shell Rotella T6 5W-40 full synthetic provides a significantly increased level of protection against harmful engine wear.
Improved Deposit Control and Improved Heat Resistance
The advanced multi-functional dispersant additives in combination with synthetic base oils provide an enhanced level of protection against the effects of soot, dirt and other contaminants in heavy duty diesel engines.
Shell Rotella T6 full synthetic heavy duty engine oil resists breakdown by heat to provide continuous protection throughout the service interval.
Emissions System Compatibility and Outstanding Shear Stability
Advanced low-ash formulation helps control blocking of or poisoning of exhaust after-treatment devices, helping maintain vehicle emission compliance and diesel engine fuel efficiency.
Shell Rotella T6 full synthetic heavy duty engine oil resists viscosity loss through shear and will maintain optimal pressure in your heavy duty diesel engine.