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Customer reviews for Shell Rotella T6 5W-40 Synthetic Heavy-Duty Diesel Engine Oil, 3-pack/1 gallon bottles for
Shell Rotella T6 5W-40 Synthetic Heavy-Duty Diesel Engine Oil, 3-pack/1 gallon bottles
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4.8 out of 5 stars
stars
1,062 ratings838 reviews
  1. 5 stars92% (979)
  2. 4 stars3% (37)
  3. 3 stars2% (16)
  4. 2 stars0% (5)
  5. 1 star2% (25)
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Showing 21-30 of 838 reviews
Sep 3, 2026
Reviewer name: craig
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Oil be back

It keeps the diesel happy and the engine running smooth. Slick choice.

Review from walmart.com
Helpful?4TT94159G0X02140040451
Aug 22, 2026
Reviewer name: Robert
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

approved by JASO AND CUMMINS

Review from walmart.com
Helpful?4TT94159G0X02140040451
Jun 15, 2026
Reviewer name: Boone
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

t6 5w40

i used this in my semi truck and my personal diesels pickups for years never had a problem and engines are clean would highly recommend

Review from walmart.com
Helpful?4TT94159G0X02140040451
Jul 14, 2026
Reviewer name: Bob
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Been very happy with the performance and protection this lubricant gives. Oil samples look good every time.

Review from walmart.com
Helpful?4TT94159G0X02140040451
Aug 21, 2026
Reviewer name: JoeG
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Perfect for my F350 pulling a camper.

Review from walmart.com
Helpful?4TT94159G0X02140040451
Aug 1, 2026
Reviewer name: Anonymous
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

We use this in a Dodge ram. Great price.

Review from walmart.com
Helpful?4TT94159G0X02140040451
Aug 10, 2026
Reviewer name: anonymous
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

always get a decent price on this here!

Review from walmart.com
Helpful?4TT94159G0X02140040451
Aug 21, 2026
Reviewer name: Michael
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Great value

Great value for diesel trucks

Review from walmart.com
Helpful?4TT94159G0X02140040451
Jul 27, 2026
Reviewer name: Ryan
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

DIY

Quality product at a great value

Review from walmart.com
Helpful?4TT94159G0X02140040451
Jan 25, 2026
Reviewer name: WalmartCustomer
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

This is the only oil we put in our diesel pickup. It is high quality. The price we paid to get a 3 pack is excellent

Review from walmart.com
Helpful?4TT94159G0X02140040451