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

Product code : ADPQT-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

Warning - Click here for Proposition 65 information for this product

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
    Oil synthetic
    By  PAT,  a  Verified Buyer  from  Ontario  on  July 07, 2024
    Fast shipping. Great oil. Will always run AMSOIL 100% synthetic
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Truck oil
    By  WALTER,  a  Verified Buyer  from  Fenton, MI  on  June 14, 2024
    Have used this for quite a few years and had great results. Will use it on this truck and more to come. Love this stuff.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Truck oil
    By  Jeff,  a  Verified Buyer  from  Overton NV  on  June 09, 2024
    Great oil
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Review
    By  ROBERT,  a  Verified Buyer  from  Rancho Cucamonga   on  June 07, 2024
    It’s a great blend of oil and easy to order online
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Run smoother
    By  ADAM,  a  Verified Buyer  from  Onatrio   on  June 06, 2024
    Switched from kubota oil to amsoil notice huge differents. Bx23s runs smoother.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Highly recommend
    By  CAM,  a  Verified Buyer  from  Canada   on  May 30, 2024
    Have ordered several times , each time order processed quickly and ships Immediately. Products always come well packaged. I have used Amsoil for 15 years in my Duramax and recommend it.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    A quality product that I use time and time again
    By  MICHAEL,  a  Verified Buyer  from  New york  on  May 30, 2024
    I’ve used a few different types of oil in my 07 ram 2500 5.9 turbo diesel and this is by far my first choice every time
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Best diesel oil
    By  JUSTIN,  a  Verified Buyer  on  May 19, 2024
    Best diesel oil you can get for the price from Amsoil. Ii usually only go 5000 miles in a year so I push the change intervals past recommended but it still is very good condition. Will only use this oil
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Best product
    By  TAYLOR,  a  Verified Buyer  from  Tennessee   on  April 29, 2024
    Been using AMSOIL in all my vehicles I wouldn’t use anything but AMSOIL
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Super Customer Service
    By  burned300,  a  Verified Buyer  from  Columbus, Ohio  on  April 21, 2024
    Order was correct & arrived in record time
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?