Synthetic Heavy Duty Engine Oil 5W-40, 1 Gallon, Pack of 3

Shell Rotella T6 5W-40 Diesel Engine Oil is a full synthetic motor oil featuring exclusive Triple Protection Plus technology. Formulated with fully synthetic base oils and advanced additives, it is designed to protect against wear, deposits, and oil breakdown, while also providing better low-temperature flow and increased fuel economy performance, without compromising durability, compared to conventional SAE 15W-40 oils.

This full synthetic heavy-duty engine oil offers enhanced fuel economy capability of 1.5%, which can save money in fuel consumption, without compromising engine protection or durability. It provides a significantly increased level of protection against harmful engine wear when compared to previous generation API CJ-4 engine oils. 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.

The full synthetic heavy-duty engine oil resists breakdown by heat to provide continuous protection throughout the service interval. Its advanced low-ash formulation helps control blocking or poisoning of exhaust after-treatment devices, thereby helping to maintain vehicle emission compliance and engine fuel efficiency. Shell Rotella T6 synthetic oil also resists viscosity loss through shear and will maintain optimal pressure in the engine.

Motor oil is made from crude oil and is used to lubricate, clean, and cool engines. Types of motor oil include conventional, synthetic, diesel, bio-based, hybrid (blends of conventional and synthetic), and recycled oils. Motor oil varies in weight and viscosity, as well as additives that some manufacturers add to the oil during the refining process.

A numerical code system created by the Society of Automotive Engineers (SAE) grades motor oils according to viscosity--the higher the number between 0 and 60, the more viscous (thicker) the oil is. Most consumer motor oils are graded by two numbers, with the first number indicating cold weather (Winter or "W") performance. This oil has a weight of SAE 5W-40, meaning it has an SAE viscosity rating of 5 in cold temperatures and a rating of 40 at normal operating temperature.

Conventional motor oils may or may not have additives included after refining. Conventional motor oils are more versatile than synthetic or hybrid motor oils, as they are suitable for use with nearly all types of modern vehicle engines, from cars and trucks to motorcycles, ATVs, farm equipment, and more. For best performance, always check your vehicle's owner's manual to verify that this is the correct weight of motor oil for your vehicle.

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