Is Shell Rotella 15 40 A good oil?

With its wide range of specifications, and approvals from many of the world’s leading engine makers, Shell Rotella T4 15W-40 heavy duty oil is an excellent choice for on-highway fleets, general haul, construction, agriculture, public-transport operators, diesel pickup trucks, including high-power vehicles where …

What is 15W-40 oil used for?

15W-40 oil is most commonly used in diesel engines. Now, diesel engines are not just used in cars or trucks, they are also used in buses, heavy-duty trucks, and even machinery or equipment. So the applications of 15W-40 diesel oil are way beyond passenger vehicles.

How long does Shell Rotella last?

It is valid up to 10 years or 500,000 miles (800,000 km), whichever comes first, when Shell ROTELLA® T6 Full Synthetic heavy duty diesel engine oils are consistently used.

Which is better 10W 40 or 15W-40?

A 10W40 oil will be thicker in the cold than 15W40 oil, but they will have the same viscosities at higher temperatures. … Hence, a car will start with fewer cranks when holding oil of a lower winter weight. 10W40 oil will perform cold starts better than 15W40 oil.

Which oil is better 10w30 or 15W40?

Because 10W-30 is thinner than 15W-40 oil, its film strength can be weaker and it can be more prone to oxidation. … High quality 10W-30 oils can perform as well, and better than industry-standard 15W-40 oils.

How many miles is Rotella 15 40?

It varies from 4500 miles to 7500 miles, depending on how the truck is used during that period… The longest interval was towing the whole time…

Is Rotella good diesel oil?

Shell Rotella® T4 Triple Protection has a proven legacy of performance and is suitable for a wide range of heavy duty engine applications. It’s an excellent choice for: Diesel pickup trucks, including high-power vehicles requiring resistance to increased heat and stress. …

What is the difference between T4 and T5 Rotella oil?

T4 is “Natural, free range, gluten free” oil.. T5 is a blend of T4 and some synthetic stuff .. T4 is a better oil for your older engine because of its different additive package..