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4.8 out of 5 stars. 374 reviews
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Shell Rotella 1 gal. 15W-40 T6 Full Synthetic Oil

Shell Rotella 1 gal. 15W-40 T6 Full Synthetic Oil

Item # 137598099

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Shell Rotella Shell Rotella 1 gal. 15W-40 T6 Full Synthetic Oil
Shell Rotella Shell Rotella 1 gal. 15W-40 T6 Full Synthetic Oil


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Shell Rotella 1 gal. 15W-40 T6 Full Synthetic Oil

Item # 137598099

Stocked & Ready
Shell Rotella Shell Rotella 1 gal. 15W-40 T6 Full Synthetic Oil
Shell Rotella Shell Rotella 1 gal. 15W-40 T6 Full Synthetic Oil

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Grassland (franklin) TN

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Shell Rotella T6 15W-40 diesel engine oil is a full synthetic motor oil that features exclusive Triple Protection Plus technology, formulated with fully synthetic base oils plus advanced additives to protect against wear, deposits, and oil breakdown. It offers better cold cranking properties and low-temperature pumpability at -15C compared to conventional and synthetic blend Shell Rotella 15W-40 products. It also delivers improved wear performance versus API CJ-4 technology, extended drain capabilities for more uptime, improved protection against oxidation for increased fuel economy, compatibility with exhaust emissions control systems, and protection in extreme operating conditions and climates. Shell Rotella T6 15W-40 is suitable for use in new and older diesel-powered vehicles, from Class 8 tractor/trailers to heavy-duty pickups and delivery, utility, and school bus fleets. Shell Rotella T6 is backed by a limited warranty valid up to 15 years or 500,000 miles (whichever comes first), guaranteed*. (*Shell Rotella Limited Warranty: Up to 15 years or 500,000 miles, whichever comes first, guaranteed, if you exclusively use Shell Rotella T6 Full Synthetic heavy-duty engine oil and meet enrollment mileage and vehicle manufacture date requirements. Enrollment required. Keep your receipts. Other conditions apply. See Rotella.com/warranty to enroll and for full details and terms.)

Looking for more information on truck accessories? Check out our guide on truck accessories in the product documents section.

  • Full synthetic 15W-40 diesel engine oil with Triple Protection Plus technology protects against wear, deposits, and oil breakdown
  • Formulated to deliver increased protection against oxidation and enhanced deposit control/cleanliness
  • Better cold cranking properties and low-temperature pumpability (compared to conventional and synthetic blend 15W-40 motor oil)
  • Improved wear performance versus API CJ-4 technology
  • Compatibility with exhaust emissions control systems
  • Protection in extreme operating conditions and climates
  • Limited warranty valid up to 15 years or 500,000 miles (whichever comes first) if you exclusively use Shell Rotella T6 Full Synthetic Technology heavy-duty engine oil*
  • Meets or exceeds the following industry requirements: API CK-4, CJ-4, CI-4 Plus, CI-4, SN; ACEA E11; JASO DH-2, MA/MA2
  • Meets or exceeds the following OEM specifications: Caterpillar ECF-2/ECF-3; Cummins CES 20086, 20081; Detroit Fluids Specification (DFS) 93K222, 93K218; DTFR 15C100 (prev. MB 228.31); MACK EOS-4.5; MAN M 3775; Ford WSS-M2C171-F1; Allison TES 439; Volvo VDS-4.5
  • For a full list of equipment approvals and recommendations, please consult your local Shell Technical Help Desk and always consult your owners manual

Q&As

1 - 1 of 1 Question

Q: Can I use rotella t6 10w40 in my Kohler kt725 engine on my zero turn

a year ago
1 Answer
  • A: Hi, Compatibility MEETS API SERVICE CK-4, CJ-4, CI-4 PLUS, CI-4, CH-4 For technical questions , contact our Technical Help Desk at 1 - 800 BEST -OIL
    a year ago
    Helpful?

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Reviews

Rating Snapshot

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309 reviews with 5 stars.
50 reviews with 4 stars.
10 reviews with 3 stars.
0 reviews with 2 stars.
5 reviews with 1 star.

Overall Rating

4.8
334 out of 338 (99%) reviewers recommend this product

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Summary of Reviews

AI-generated from customer ratings & reviews, and may include incentivized reviews.
The oil provides excellent protection and performance for a wide range of vehicles. Many customers have used it for decades and praise its durability, cleanliness, and ability to extend engine life. The oil is noted for improving cold starts, reducing engine noise, and increasing fuel efficiency. Cu...
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This summary is AI-generated from ratings and reviews across multiple languages.
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  • engine performance
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5 to 34 of 374 Reviews .
1 – 30 of 374 Reviews
Nia NY
Review 1

superman oil!!

a year ago
how do i keep adding stars..its stops me at 5. I discovered t6 10w30 in desperate attempt to keep it running as a gasoline engine. not only did it keep it running it revived it reswelling gaskets and getting a superiors oil too the top of heads that completely stopped all lifter ticking, smoothed out rough running vibration, from regular oils, increased fuel economy and increased performance in a engine had i put conventional 10w30 was certainly doomed to die without T6. So when i bought my my truck it was automatic gonna run T6 5W30 and i experimented running the dealership oil, added oil catch can system within a week oil found in catch can & darkened alot and lifters we're beginning to be heard by 2weeks it had used half quart from towing. I dumped dealship oil new full synthetic filter and T6 5w30 in a 4cylinder turbo gasoline engine cleaned oil catch can.. Immediately improved lifter noise and smoothed motor running, again noticable fuel economy gains and horseplay increased, motor ran snappy and smooth the turbo stopped using oil and spooled faster smoother and oil catch can barely had oil vaper inside. ran in 6,000 miles and oil was still on good shape.. your t6 product is Top tier anyone wanting half million miles on engine this oil one of the only options best oil for my demanding driving by a longshot, keep up the excellence Shell I rave about your products to everyone!

Yes, I recommend this product.

Originally posted on rotella.shell.com

arizona
Review 1

t6 15-40 shearing the oil short time

2 years ago
i have buying t6 full synth 15-40 for my two powerstroke 05 ford 6.0 diesel and 08 ford 6.4 diesel in my 6.0 engine i change every 2000 and at the most 3000 miles and because after 1000 the shearing is very noticable at 500 miles its completely black i now the 6liter are hard on oil but i have spent well in the thousands in oil changes just year rotella t6 nothing else

Yes, I recommend this product.

Originally posted on rotella.shell.com

Review 1

Works in my Kawasaki Versys

2 years ago
Did some research, and found out that the T6 15-W40 oil has all the necessary certifications to be used in a motorcycle, even with a wet clutch. This oil is a quarter as expensive as the Castrol or Motul oils I was running before, and at least around 2k miles in, it seems to run just as well.

Originally posted on rotella.shell.com

Floyd County, Virginia
Review 1

Mileage on 2004 GMC ENVOY XUV

2 years ago
I have been running T6 Rotella in my Envoy, this vehicle has 343000 miles on it now and continues to run very well.

Yes, I recommend this product.

Originally posted on rotella.shell.com

Knoxville
Review 1

Use it in everything from Escalade, Mower, Q7

2 years ago
This stuff is excellent. I add this to all my vehicles, my Escalade, X5, Q7, Explorer, Silverado... on my German cars I add Ceratec. Per oil analysis, it does excellent.

Yes, I recommend this product.

Originally posted on rotella.shell.com

North collins ny
Reviews 3

It's rotella. Good stuff.

2 years ago
Good oil and a great price
SweepstakesYes

Yes, I recommend this product.

Review 1

Best value fur a full synthetic

2 years ago
Best oil for my needs that I’ve ever found trucking for many years
SweepstakesYes

Yes, I recommend this product.

pa.
Reviews 2

rotella t-6

2 years ago
great employees and service

Yes, I recommend this product.

Louisiana
Review 1

Lives up to the claims✅

2 years ago
I’ve legit been using this oil in my trucks since 2013 and haven’t touched anything else since. This oil has saved me much money and kept my trucks from being placed out of service due to engine and turbo issues.

Yes, I recommend this product.

Originally posted on rotella.shell.com

Ohio
Review 1

Love it

2 years ago
I run it in my drag truck, Holds up to the heat and RPS for the whole season.

Yes, I recommend this product.

Originally posted on rotella.shell.com

SE North Dakota
Review 1

Problom solver

3 years ago
I use T6 5W-40 for all non catalyst engines from small engines to tractors and older gas trucks. I live in ND where the temps range from -30F to 100F in a season and this oil has performed excellent in both gas and diesels. The only thing that sucks is the ZDDP will smoke o2 sensors in newer vehicles so I quit using it there. Nice to have one oil do the job of three.

Yes, I recommend this product.

Originally posted on rotella.shell.com

Mount Pleasant,MI
Reviews 4

T6

3 years ago
Always use T6, fast delivery
Sweepstakes EntryYes

Yes, I recommend this product.

Grays Lake, IL
Review 1

Best for my DURAMAX

3 years ago
I have well over a 100,000 miles on my 2017 GMC L5P , it does not burn a drop and don’t have to change as often, no issues what do ever

Yes, I recommend this product.

Originally posted on rotella.shell.com

Ramapo, NY
Reviews 3

Works for me

3 years ago
I use this for my John Deere 4500 utility tractor never had a problem with it. Maintenance is key for my 24 year old tractor.
Sweepstakes EntryYes

Yes, I recommend this product.

Canada
Review 1

Great Product

3 years ago
I have been using ROTELLA Full Synthetic for 10 years in my Honda ST1300. I Change it every fall when putting the bike away for the winter. I have 180000 km on the bike. It does not burn a drop of oil. This bike is not a stranger to the far side of the speedometer.

Yes, I recommend this product.

Originally posted on rotella.shell.com

IDAHO
Review 1

ONLY OIL I WILL USE

3 years ago
I USE THIS IN MY 2000 CATERPILLAR 6NZ, AVG ABOUT 5.9 MPG. I ALSO USE THIS IN MY FORD 6.0 POWER STROKE, MY HONDA VTX 1800 STREET BIKE AND KAWASAKI BRUTE FORCE 750 SINCE IT HAS THE JSOMA RATING.

Yes, I recommend this product.

Originally posted on rotella.shell.com

Buda Texas
Review 1

Great product perfect price .

3 years ago
I’ve used this on my wife’s Santa Fe since new never had one issue .

Yes, I recommend this product.

Originally posted on quakerstate.com

pQ
Review 1

Spyder F3T 2016

3 years ago
I use this oil Rotella T3 and no problemo fron 2 years ago, shift is more easy , beleive me buy it

Yes, I recommend this product.

Originally posted on rotella.shell.com

Texas
Review 1

Zero problems with this oil!

3 years ago
I've used the Rotella T6 5w-40 for years and years in motorcycles with wet clutches, trucks, and tractors and had no problems. Most notably I've used it in: 2004 Honda Shadow Sabre 1100 (wet clutch) and put 30k+ miles on it and I used it in my 2011 F-150 for it's entire life (bought new). The F-150 is impressive because it had the 3.5L Ecoboost, the first year of that engine, and I put over 218k miles on it with nothing done to the engine except oil changes and spark plug changes. I also use this in my tractors, I used it in my 2002 Dodge 2500 with the Cummins (bought new, sold at 168k miles), and other vehicles. I love this oil.

Yes, I recommend this product.

Originally posted on rotella.shell.com

North Carolina
Review 1

Marine diesel switch to T6

4 years ago
I have a 17 year old Volvo TAMD41P-A diesel in my 31' recreational trawler. Prior engine oils for the prior owner (11 years) and me have been 15-40 dino oils, until I switched to full synthetic engine oil, also 15-40. Operating temperature dropped 5 degrees at standard cruising RPM of 1800 to 2200 (only one of two thermostats in place most of that time), the engine runs quieter and more smoothly. Based on research I have found, I know that my engine is running cleaner, with other attributes of reduced internal corrosion, less wear, etc. After installing 2 new thermostats, the engine runs precisely on specification for operating temperature through the full range of RPM, right up to wide open throttle, 3800 (end of the day 10 minute spike to clean the exhaust system ). Further, smoke when starting is greatly diminished to almost zero. I am completely satisfied that I am doing all that I can to accomplish optimal engine performance and protection with Rotella T6 over the last two years, and I am comfortable recommending Rotella T6 to boating friends with diesels, confident in the cost/benefit of using the best oil quality, grade and viscosity for my application.

Yes, I recommend this product.

Originally posted on rotella.shell.com

Ne to az
Review 1

Can't use what you can't find

4 years ago
Been trying for months to get moreT6. Luckily I had enough for my last oil change but I like keeping it on hand. I can not find why and when the shortage will end. Next change I will be looking for other brands

No, I do not recommend this product.

Originally posted on rotella.shell.com

Arkansas
Review 1

Ram 3500

4 years ago
Bought my 2011 Ram 3500 Cummins 6.7 in 2012 with 300 test miles on it. Put Shell Rotella T6 in it right away and have run nothing else. Great oil, but hard to find right now.

Yes, I recommend this product.

Originally posted on rotella.shell.com

Saint johnsville
Review 1

Tired of the supply chain issue and not getting th

4 years ago
Have been running T-6 5W40 since 2011. Never had an issue getting the oil. Now I have had my first oil change in my 6.7 PSD and had to use Mobil Diesel oil. 5,000 miles in and can hear a difference in the sound of the engine. So, shell when I get my oil sample back will you still honor your engine warrant since I was not able to get your oil ? Yes seriously I miss your oil and hurry the heck up and get t-6 to us!!

Originally posted on rotella.shell.com

Rainier, Or.
Review 1

Can’t find it.

4 years ago
Would be great if a person could find it in a store.

No, I do not recommend this product.

Originally posted on rotella.shell.com

Glendale, Az
Review 1

Daily.

4 years ago
I use it for the drift car but as of lately there’s been a shortage and I don’t wanna change oils. Can we fix this. It’s the only oil I use.

Yes, I recommend this product.

Originally posted on rotella.shell.com

Madison, WI
Review 1

Excellent Oil

4 years ago
After hearing and reading rave reviews on this oil, and reading posts about it on oil-focused sites and forums, I thought I would give it a try. Im running it in my 04 Grand Caravan with the 3.3L V6. Running a half-and-half mix of 5w-40 and 15w-40. Let me say this, my van has never ran so well just by changing the brand and type of oil I am using. It currently has 209k on it and runs like a top. I switched to diesel oil because it has a higher film strength, better wear packs, and better detergent packs than gas oil does. I want my van to run as long as possible. I am one of those people that drives a vehicle until the wheels fall off, so they say. Ive used other brands before and they have worked well, however, since changing to Rotella T6, my van has more power and response than I ever remember it having. Rotella and other Shell products will be my only brand now. Stocked up on quite a bit of Rotella in all its major types, T4, T5, T6.

Yes, I recommend this product.

Originally posted on rotella.shell.com

Minnesota
Review 1

No oil!!!

4 years ago
There is no oil! It cannot be bought! Why? When will the oil be available? When????

Originally posted on rotella.shell.com

Response from rotella.shell.com:
4 years ago
Shell Rotella
Thanks for reaching out regarding product availability. Unfortunately, supply chain issues continue to affect businesses in North America, including Shell Rotella. Please visit https://rotella.shell.com/en_us/find-shell-rotella-product.html to sign up and receive updates when Shell Rotella is available in your area. We will continue to work diligently to mitigate these supply challenges and sincerely appreciate your understanding and choice of Shell Rotella. Thank you.
BFE
Review 1

Stock 2005 Subaru STi

4 years ago
Ive been using this oil on my Subaru for over 10years now. Currently mileage @230k miles There has been a shortage recently of T6, And I may need to use an alternative 1/2022

Yes, I recommend this product.

Originally posted on rotella.shell.com

California
Review 1

I run this in everything I own

4 years ago
Great product for cheap. I run it in a 2001 twin turbo Audi V6 - 170K miles change at 10K miles, 2002 Nissan Pathfinder - 180K miles - changed at 5K miles, BMW R1200GSA motorcycle - 133K miles - changed at 4K miles. This oils exceeds all manufacturer's specifications, never had any issues. Last time I opened the valve covers on the bike it looked brand new in there at over 100K miles

Yes, I recommend this product.

Originally posted on rotella.shell.com

California
Review 1

I run this in EVERYTHING.

4 years ago
In my motorcycle - 2015 BMWR1200GSA - for over 80,000miles In my 2001 Nissan Pahfinder with VQ35 engine. In my Honda scooter (not that the scooter cares what oil it gets) 6.0 Powestroke diesels love this stuff. (I used to be a diesel mechanic)

Yes, I recommend this product.

Originally posted on rotella.shell.com