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—engineered to outperform, built to last.

37 BETTER WEAR CONTROL - Exceeds API CK-4 standards to keep your engine running smoother, longer.
HEAT STRESS RESISTANCE - Maintains optimal viscosity even under extreme temperatures—perfect for high-power diesel trucks.
EXTENDED OIL DRAIN INTERVALS - Keeps engines cleaner and components reliable, reducing downtime and maintenance costs.
10 YEAR 300 000 MILE WARRANTY - Confidence backed by Shell’s industry-leading warranty when you commit to Rotella T5.
TRIPLE PROTECTION PLUS TECHNOLOGY - Defends your engine against wear, deposits, and oil breakdown for unstoppable performance.

Shell Rotella T5 Synthetic Blend 15W-40 motor oil combines advanced synthetic base oils with Triple Protection Plus technology to deliver superior wear protection, excellent cold-start performance, and viscosity stability under high heat. Ideal for heavy-duty diesel engines in trucks, construction, and agricultural machinery, it exceeds industry standards and comes with a 10-year/300,000-mile limited warranty for peace of mind.

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Viscosity	15W-40
Brand	Shell Rotella
Vehicle Service Type	Car, Truck
UPC	021400404526
Automotive Fit Type	Universal Fit
Global Trade Identification Number	00021400404526
Manufacturer	Shell Rotella
Size	3-Pack
Model	T5
Item Weight	24 pounds
Product Dimensions	13.1 x 8.6 x 13.3 inches
Item model number	550045348-3PK
Manufacturer Part Number	550045348-3PK

Shell Rotella T5 Synthetic Blend 15W-40 Motor Oil, 1 Gallon (3 Pack)

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