Shell Rotella T6 Full Synthetic 15W-40 Diesel Engine Oil, 2.5 Gallon
Shell Rotella T6 Full Synthetic 15W-40 Diesel Engine Oil, 2.5 Gallon
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Shell Rotella T6 Full Synthetic 15W-40 Diesel Engine Oil, 2.5 Gallon

Shell Rotella T6 Full Synthetic 15W-40 Diesel Engine Oil, 2.5 GallonShell Rotella T6 Full Synthetic 15W 40 Diesel Engine Oil 2 5 Gallon5 pack Shell Rotella T6 Full Synthetic 15W 40 Diesel Engine Oil 2 5 Gallon2 pack Shell Rotella T6 Full Synthetic 15W 40 Diesel Engine Oil 2 5 Gallon4 pack Shell Rotella T6 Full Synthetic 15W 40 Diesel Engine Oil 2 5 Gallon3 pack Shell Rotella T6 Full Synthetic 15W 40 Diesel Engine Oil 2 5 Gallon
Pack SizeSingle

Key item features

  • Triple Protection: Full synthetic 15W-40 diesel engine oil with Triple Protection Plus technology protects against wear, deposits, and oil breakdown.
  • Enhanced Cleanliness: Formulated to deliver increased protection against oxidation and enhanced deposit control/cleanliness.
  • Cold Weather Performance: Better cold cranking properties and low-temperature pumpability compared to conventional and synthetic blend 15W-40 motor oil.
  • Improved Wear Performance: Offers improved wear performance versus API CJ-4 technology.
  • Emission System Compatibility: Compatible with exhaust emissions control systems.
  • Extreme Condition Protection: Provides protection in extreme operating conditions and climates.
  • Industry Standards: Meets or exceeds industry requirements such as API CK-4, CJ-4, CI-4 Plus, CI-4, SN; ACEA E11; JASO DH-2, MA/MA2.
  • OEM Specifications: Meets or exceeds OEM specifications including Caterpillar ECF-2/ECF-3, Cummins CES 20086, 20081, and more.
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Current price is $79.0024.7 ¢/fl oz
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Customer ratings & reviews

4.6 out of 5 stars
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1,139 ratings370 reviews
How item rating is calculated
  1. 5 stars85% (971)
  2. 4 stars5% (60)
  3. 3 stars2% (25)
  4. 2 stars1% (14)
  5. 1 star6% (69)
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Showing 1-3 of 370 reviews

Feb 3, 2025
WalmartCustomer
5 out of 5 stars review

Verified Purchase

Rotella T6 is my go-to oil for motorcycles and heavy diesels, and while it's a bit pricier than other oils, I've never had an engine failure in either of those classes of vehicles. I tend to stick with what works for me. Excellent product.

Incentivized Review
Helpful?4N2EATPSTPKI847530443
Apr 25, 2026
C
Top Reviewer
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

15w-40 diesel engine oil

Great stuff, I started putting this in my 05 dodge ram 2500 since the first oil change after purchasing it used. Usually I run this for about 8k miles with a second oil filter change around 4k miles and no problems. Would recommend to anyone looking for a decent product for their engine, if it's compatible.

Helpful?4N2EATPSTPKI847530443
Jan 19, 2026
Lendon
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Use T6 unless a T7 is available

Its T6. The best value for Diesel Oil available in a synthetic. I use in the 7.3's High pressure oil system and have not had any issues. Starting seems to be slightly better etc, but that could be due to the fuel filter change as well. Extremely satisfied as is most with T6.

Helpful?4N2EATPSTPKI847530443