Rotella Shell T6 5W40 Oil, 5 Gal.

Better Fuel Economy, 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. Improved Wear Performance provides a significantly increased level of protection against harmful engine wear when compared to previous generation API CJ-4 synthetic engine oils. Outstanding Shear Stability, resists viscosity loss through shear and will maintain optimal pressure in your heavy duty diesel engine. Improved Deposit Control, 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. Improved Heat Resistance, resists breakdown by heat to provide continuous protection throughout the service interval. 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.