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AMSOIL 15W-40 Heavy-Duty 100% Synthetic Diesel Oil

Product code : ADPQTC-EA

  • Delivers 4X more wear protection1
  • Minimizes oil consumption
  • Excels in extreme temperatures
  • Helps keep trucks and equipment operating at peak performance
  • Offers outstanding value

    1Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 10W-30 as worst-case representation

AMSOIL 15W-40 Heavy-Duty 100% Synthetic Diesel Oil



Developed to provide protection beyond conventional, synthetic-blend and other synthetic oils. AMSOIL synthetic technology delivers heavy-duty protection for diesel enthusiasts and those who depend on their trucks and equipment to make a living.

See the Product Data Bulletin for full details.


HEAVY-DUTY ENGINE PROTECTION

  • Delivers 4X more wear protection1
  • Helps maximize equipment life
  • Helps reduce maintenance costs and downtime

1Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 10W-30 as worst-case representation

Delivers More Wear Protection

Third-party testing shows Heavy-Duty Synthetic Diesel Oil delivers 4X more protection against wear than required by Detroit Diesel’s* standard.I

IBased on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 10W-30 as worst-case representation. *All trademarked names and images are the property of their respective owners and may be registered marks in some countries. No affiliation or endorsement claim, express or implied, is made by their use.


VISCOSITY CONTROL

  • Resists oxidation and the thickening effects of soot contamination
  • Retains viscosity after high-temperature service for added engine protection and increased fuel economy
  • Provides up to 66 percent less oil consumption2

2Than required by the API CK-4 standard in the Caterpillar-1N oil consumption test

Reduces Oil Consumption

Heavy-Duty Synthetic Diesel Oil provides up to 66% less oil consumption.L

Reduces Oil Consumption – Heavy-Duty Synthetic Diesel Oil provides up to 66% less oil consumption.

L Than required by the API CK-4 standard in the Caterpillar-1N oil consumption test.


EXCELS IN EXTREME TEMPERATURES

  • Provides outstanding protection and performance in hot and cold temperature extremes
  • Delivers improved heat and oxidation resistance compared to conventional diesel oils
  • Flows dependably in cold temperatures for easier startup and improved engine protection

See the Product Data Bulletin for full details.

AMSOIL 15W-40 Heavy-Duty 100% Synthetic Diesel Oil

Data Bulletin

Warranty

SDS



AMSOIL 15W-40 Heavy-Duty 100% Synthetic Diesel Oil

  • 5 star rating
    New customer
    By  JIM,  a  Verified Buyer  from  Texas   on  February 21, 2024
    The ordering process was great and I have made my first trip pulling my 5th wheel. It seems to help my engin temperature was a couple of degrees cooler. I look forward to more traveling.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Easy day
    By  Cornboy,  a  Verified Buyer  from  SoCal   on  February 19, 2024
    Ordering the kit just makes it easy to ensure you have everything you need. Been using AMSOIL for years, 250k on my LML still running strong.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Keeps my engine strong
    By  ANDREW,  a  Verified Buyer  from  California   on  February 19, 2024
    Have over 400k on my duramax and can almost guarantee it’s still going because of this great oil!
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Great oil
    By  PETER,  a  Verified Buyer  from  WV  on  February 14, 2024
    Exceeds specifications for most oil products and requirements.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Diesel Oil Review
    By  DAVID,  a  Verified Buyer  from  Oklahoma City  on  February 07, 2024
    I use this oil in my 2002 Ford 7.3 Powerstroke. I like the oil. My only issue is it take a full four gallons to get 15 quarts. I didn’t have that issue when using Rotella. Always had a quart left over.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 4 star rating
    15w-40 heavy duty diesel oil
    By  BRENT,  a  Verified Buyer  from  Michigan  on  January 31, 2024
    First time using this oil-just changed in my 2500 hd. Hoping for longer oil life with this product. Fast shipping.
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  • 5 star rating
    Quality product
    By  GLEN,  a  Verified Buyer  from  Indiana  on  January 21, 2024
    Changed oil at 10k. Oil still had great viscosity. Used in conjunction with AMSOIL filter. I believe it’s worth the money. A product you can be confident in.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Great product
    By  Jay,  a  Verified Buyer  from  CA  on  January 08, 2024
    Ordered this based on Bank's Engineering recommendation. Very happy with result. My truck seems to love the oil, and couldn't believe how fast the shipping was.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Great Quality
    By  AARON,  a  Verified Buyer  on  December 31, 2023
    Good quality oil and packaged perfectly for application
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Diesel oil
    By  ERIC,  a  Verified Buyer  on  December 18, 2023
    I use this oil every 5000 miles in my diesel with there oil filter. Also use there other products in my build. Great products
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?