Is Rotella T5 15w40 refined from natural gas?

Yes - Pennzoil and other use a refining process called GTL (Gas-to-Liquid) to produce Group III base oils that are the primary ingredient in modern engine oil.

Is this what I use for my 2020 ram tradesman diesel?

Our 5th gen Rams with the 6.7 Cummins ONLY use either 5w40 (if average ambient temperature is below 0F or 10w30 for average ambient temperatures above 0F. Our 5th gens have a different oil system and do NOT use 15w40

Despite api ck-4 on the image of thelabel, i received api cj-4 product when i ordered gallon packages in jan 2018. will i now get api ck-4 product?

If you aren’t satisfied with cj-4 product, you can always return it back and request for Ck-4 to be send to you. After all, this is an excellent oil product for all types of engines including portable electric generators.

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🚛 Power your diesel with confidence and stay miles ahead of the pack!

EXTENDED ENGINE LIFE - Delivers exceptional cleanliness and piston deposit control, maximizing reliability over long oil drain intervals.
INDUSTRY LEADING WARRANTY - Exclusive 10-year or 300,000-mile limited warranty when used exclusively—confidence that lasts.
TRIPLE PROTECTION PLUS TECH - Advanced defense against wear, deposits & oil breakdown for unstoppable engine performance.
EMISSION FRIENDLY LOW ASH FORMULA - Protects exhaust after-treatment systems to keep your fleet compliant and fuel-efficient.
SUPERIOR HEAT STRESS RESISTANCE - Keeps viscosity stable under extreme conditions—perfect for high-power diesel trucks and heavy machinery.

Shell Rotella T5 Synthetic Blend 15W-40 diesel engine oil combines synthetic base oils with Triple Protection Plus technology to deliver 37% better wear control than API CK-4 standards. Engineered for on-highway fleets, construction, agriculture, and high-power diesel trucks, it offers superior low-temperature flow, heat resistance, and extended oil drain intervals. Its advanced low-ash formula supports emission compliance, backed by a limited warranty valid up to 10 years or 300,000 miles when used exclusively.

Reviews

M**E

Great diesel oil

Great deal on volume, love this stuff for my diesel

3.08.2025

B**S

leakin oil

its great oil. But one of the containers leaked a half gallon of oil all over the place in the box . only complaint

14.09.2025

C**N

Great great buy!

Why did you pick this product vs others?:Great buy. Cheeper than any store I looked at! Will buy for every oil change!

14.07.2025

L**G

Good Oil.

Good Oil. Does the job and the price was good.

19.06.2025

J**E

Great Product

21.08.2025

D**.

Works well.

I have been running T5 in my 2002 7.3 for years. it works well and is still relatively inexpensive.

16.06.2025

T**H

Engine Oil

Good engine oil. Does the job.

21.06.2025

S**

Trust based on a lifetime of use

I have used Shell Rotella for years in my semi trucks without a single internal problem. Based on my success with Rotella in the past, I decided to trust Shell Rotella T5 Synthetic Blend in my Diesel pusher motor home. As the third owner, Im not sure what type of oil the previous owners used, but the synthetic blend seemed like the best choice. I didn't notice a difference in noise, performance, or change in operating temperature but it did seem to run a bit smoother. For a couple of dollars more per gallon over the conventional oil, its worth it

22.07.2025

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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AR$157355

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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Viscosity	15W-40
Brand	Shell Rotella
Vehicle Service Type	Car, Truck
UPC	021400404441
Automotive Fit Type	Universal Fit
Global Trade Identification Number	00021400404441
Manufacturer	Shell Rotella
Size	1-Pack
Model	T5
Item Weight	7.78 pounds
Product Dimensions	7.7 x 3.6 x 12.6 inches
Item model number	550045348
Manufacturer Part Number	550045348

Shell Rotella T5 Synthetic Blend 15W-40 Diesel Engine Oil, 1 Gallon

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