Rotella T4 and T6 are two popular engine oils produced by Shell. While they both belong to the same product line, they have some distinct differences.
These oils are formulated to meet the needs of diesel engines and are suitable for a wide range of applications, from heavy-duty trucks to passenger cars.
Choosing the right oil between Rotella T4 and T6 can be a daunting task, especially for those who are not familiar with their features.
This blog will discuss the differences between Rotella T4 and T6, their benefits, and what factors to consider when choosing between them.
Rotella T4 vs T6
|Features||Rotella T4||Rotella T6|
|Oil Base||✓ Blend of synthetic and conventional base oils||✓ Fully Synthetic|
|Shear Stability||✓ Developed shear stability||✓ Higher level of shear stability|
|Viscosity Index||✓ Lower viscosity index||✓ Higher viscosity index|
|Pour Point||✓ Higher pour point||✓ Lower pour point|
|Cold Cranking Properties||✓ Slightly lower cold cranking properties||✓ Better cold-cranking properties|
|Drain Interval||✓ Shorter drain interval (compared to T6)||✓ Longer drain interval (up to 2 times longer than T4)|
|Price Point||✓ Lower price point (Check Price Now)||✓ Higher price point (Check Price Now)|
Shell Rotella T4:
Shell Rotella T4 is a recent addition to the Shell Rotella lineup. Our engineers have integrated advanced technological knowledge to make it sustainable under the most stressful driving conditions.
You can rely on Shell Rotella T4 for modern low-emission engines and older hard-working diesel engines.
It is a great choice for off-road or on-road trucks and SUVs, as well as all other heavy-duty engine applications such as general haul, construction, agriculture, and public transport operators.
Shell Rotella T4 also ensures the effectiveness and durability of emissions control systems.
Additionally, the shear and improved oil aeration of Rotella T4 provide enhanced protection against viscosity loss.
Features of Rotella T4:
Rotella T4 has some special features that have favored it more than any other engine oil. Let’s go over its wonderful features of it.
1. Triple Protection Technology
Rotella T4 has integrated exclusive Triple Protection Technology that ensures the engine’s safeguard in three critical areas including:
- Acid Control: It prevents the emissions of acids formed as fuel burns and the oil ages. Thus, it protects the engine from corrosion of acid.
- Deposit Control: It maintains the neatness of engines which ensures optimum performance and prolongs the engines’ life.
- Wear Control: It helps to keep the metal engine surface free from wear and tear. So, enlarge the lifespan of the engines’ surface.
2. Suitable for All Hard works
Rotella T4 has lots of specifications like…
- Triple Protection Technology
- improved oil aeration
- amazing wear protection
- developed shear stability and so on.
As a result, you can use it for almost all heavy-duty needs like on-highway fleets, general haul, construction, agriculture, diesel pickup trucks, and many others. The world’s leading engine makers have given positive reviews to it.
3. Incredible Wear Protection
As you may already know, Rotella T4 utilizes Triple Protection Technology to safeguard your engine against all sorts of damage, ultimately enhancing its durability.
In wear tests conducted by the API industry, Rotella T4 outperforms the required wear protection by 50% after meeting the CK-4 specifications.
Moreover, it has also demonstrated exceptional performance in Cummins ISM and ISB engine tests, ensuring that your engine is well-protected and can withstand any challenges it may face.
4. Exceptional Additive Technology
The engineers have added some exceptional technology in Rotella T4 that makes it better than ever before.
It now boasts improved shear stability and oil aeration, providing you with superior protection against viscosity loss.
Furthermore, our effective design guarantees a sustainable emissions control system, benefiting both you and the environment.
With its exclusive low-ash formulation, you can now safeguard the exhaust catalysts and diesel particulate filters of your latest low-emission vehicle, giving you peace of mind while reducing your carbon footprint.
5. Protective against High Temperature
Rotella T4 can reduce oil breakdown under high temperatures more efficiently than any other engine oil of Shell Rotella.
The test report shows that its defense against oxidation has risen to 50% longer than the previous generations.
This is how it maintains the lifespan, cleanliness and operating efficiency of engines.
- Suitable for heavy-duty works
- The best substitute for motorcycle oil
- Extremely good choice for diesel engines.
- Warranty for 300,000 miles.
- Particularly good in warm climates.
Shell Rotella T6:
Shell Rotella T6 is full synthetic diesel engine oil produced by Rotella. It offers Triple Protection features as Rotella T4 does.
Besides, its advanced additives protect against engine damage, deposits, and oil breakdowns.
Moreover, it can make the engines highly protective against extreme operating temperatures. It is also compatible with exhaust emissions control systems.
Again, it gives additional benefits to the users by limiting fuel usage while working.
You can save money on fuel expenditures by using this Rotella T6 in your truck’s engine.
Even, you won’t have to compromise with hardiness. This is how Rotella T6 is far better than other conventional SAE 15W-40 oils.
Features of Rotella T6:
Shell Rotella T6 has some additional features and improvements compared to previous generations. Let’s have a look over those wonderful features.
1. Full Synthetic Rotella T6
Rotella T6 doesn’t contain any high-carbon petroleum products. Instead, it’s a synthetic oil having a minimal level of ash, sulphur and phosphorus.
This oil gives the engines the power to withstand increased pressure. You can enjoy more mileage and efficiency with your engine by using this full synthetic motor oil.
2. Low Ash Additive
Rotella T6 contains low levels of ash, sulphur and phosphorus that secure smooth engine operations. Thus, it reduces the wear and tear of engines somewhat.
So, if you use this oil for your truck or other high-duty operations, you can reduce your maintenance cost.
By using this motor oil, you can also protect the environment as it produces the lowest carbon.
3. Ensures Fuel Economy
Rotella T6 gives an amazing chance to reduce fuel costs by using its improved fuel economy capability of 1.5%.
So, you can now easily manage your monthly fuel cost using this without compromising the engine’s protection or durability compared to 15W-40 oils.
4. Usable for Both Diesel and Gasoline Engines
This full synthetic Rotella T6 is applicable for both old and new diesel fuel vehicles including minivans, bus fleets, tractors, pick-up trucks, cars, and so on.
Besides diesel engines, you can use this motor oil for gasoline engines having API SM specifications. This is a unique thing that you have from Rotella T6.
5. Adaptable to Any Weather Condition
You have already known that Rotella T4 best works in hot weather. But T6 has crossed over this limitation.
This low-viscosity engine oil can start up the engine very quickly and without any hesitation in cold weather.
You will find this oil in a liquid state even in this cold weather. Again, it gives the engine an easy start-up to 30 degrees F temperature, unlike all other similar oil brands.
- Cut down maintenance costs.
- Guard engines against all weather.
- Ensure engines cleanliness.
- Interesting price range.
- Sustainable for 500,000 miles.
- Not usable for geared motors.
What Factors to Keep in Mind when Choosing between Rotella T4 and T6?
When it comes to buying Rotella T4 or T6, there are a few factors you should consider to make sure you’re making the right decision for your needs.
Here are some of the key things to keep in mind:
Rotella T4 and T6 have different viscosity grades, which can affect their performance in different engines.
T4 has a viscosity grade of 15W-40, which makes it suitable for use in older engines or those that experience high operating temperatures.
T6, on the other hand, has a lower viscosity grade of 5W-40, which makes it a better option for newer engines that require low-viscosity oils to reduce friction and improve fuel efficiency.
Both Rotella T4 and T6 contain additives to improve their performance and protect your engine.
However, the types and amounts of additives differ between the two.
T6 has a more advanced additive package, which can provide better protection against wear, deposits, and corrosion.
If you have a high-performance engine or want extra protection for your engine, T6 may be the better choice.
As with any product, the price of Rotella T4 and T6 can vary depending on where you buy it and how much you need.
Generally, T6 is more expensive than T4, but it may be worth the extra cost if you need its advanced performance benefits.
Consider your budget and how much you’re willing to spend on oil before making a decision.
Before you buy either Rotella T4 or T6, make sure it is compatible with your engine.
Check your owner’s manual or consult with a mechanic to determine which oil is recommended for your specific make and model.
Using the wrong type of oil can cause damage to your engine and void your warranty, so it’s essential to choose the right one.
You just went through the reviews of Rotella T4 vs T6 where you got to know the excellent features of these engine oils.
In addition, you have learned the consideration before buying any diesel engine oil. You can now easily select the best oil for the engines between these two.
However, we have listed Shell Rotella T6 as the best motor oil for its marvelous features like compatibility for diesel and gasoline engines, durability, advanced emissions system, all-weather protection as well as an economic investment.
You won’t have so many features like Rotella T6 in any other models or brands of diesel motor oils.
So, you are recommended to go through the whole article to know about the oils that will help you to decide the best one for you.