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AMSOIL Signature Series 10W-30 100% Synthetic Max-Duty Diesel Oil

Product code : DTTQT-EA

  • Outstanding extreme-pressure protection
  • Delivers 6X more wear protection1
  • Maintains proper viscosity (thickness)
  • Minimizes oil consumption
  • Maximizes fuel efficiency
  • Excels in extreme temperatures
  • Confidently extend drain intervals

     

    1Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 5W-30 as worst-case representation

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AMSOIL Signature Series 10W-30 100% Synthetic Max-Duty Diesel Oil



Developed to protect the horsepower diesel enthusiasts crave and extend the life of hard-working commercial equipment in the most severe conditions. Signature Series synthetic technology delivers max-duty protection in on- and off-road applications.

See the Product Data Bulletin for full details.

MAXIMUM ENGINE PROTECTION

  • Delivers 6X more wear protection,1 delivering extra protection so you can push your diesel with peace of mind
  • Provides long-lasting wear protection, keeping cylinder liners looking like new2
  • Delivers up to 60 percent better turbo cleanliness3
  • Withstands the extra demands you place on the turbo when pulling heavy loads or updating the tune for maximum horsepower
  • Provides up to 2X better rust protection4

1Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 5W-30 as worst-case representation
2Based on independent testing of AMSOIL 5W-30 Signature Series Max-Duty Synthetic Diesel Oil and a leading conventional 15W-40 diesel oil using the Detroit Diesel* DD13 Scuffing test for specification DFS 93K222.
3Based on specification standards of CAT C13 2nd Ring Top Land Carbon testing
4Based on industry standard testing using the NMMA FC-W Rust Test.


Delivers More Wear Protection

Third-party testing shows Signature Series Max-Duty Synthetic Diesel Oil delivers 6X more protection against wear than required by Detroit Diesel’s* standard.II

IIBased on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 5W-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.


AMSOIL Fights Wear

AMSOIL delivers powerful engine protection. How good is it? In third-party testing compared to a leading brand, AMSOIL provided long-lasting wear protection, keeping cylinder liners looking like new.DD

AMSOIL Fights Wear – AMSOIL delivers powerful engine protection. How good is it? In third-party testing compared to a leading brand, AMSOIL provided long-lasting wear protection, keeping cylinder liners looking like new.

DDBased on third-party testing of AMSOIL 5W-30 Signature Series Max-Duty Synthetic Diesel Oil and a leading conventional 15W-40 diesel oil using the Detroit Diesel* DD13 Scuffing test for specification DFS 93K222.
*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.


Keeps Turbos Clean

AMSOIL Signature Series Max-Duty Synthetic Diesel Oil provides protection boosted to the max, delivering up to 60% better turbo cleanlinessJ and withstanding the extra demands you place on the turbo when pulling heavy loads or updating the tune for maximum horsepower.

JBased on specification standards of CAT C13 2nd Ring Top Land Carbon testing


Protects Against Rust

Provides up to 2X better rust protection.K Protects Against Rust – Provides up to 2X better rust protection.

KBased on industry standard testing using the NMMA FC-W Rust Test.


VISCOSITY CONTROL

  • Resists oxidation and the thickening effects of soot contamination
  • Retains viscosity after high-temperature service for maximum engine protection and efficiency
  • Provides up to 76 percent less oil consumption5

5Than required by the API CK-4 standard in the Caterpillar-1N oil consumption test


Reduces Oil Consumption

Signature Series Max-Duty Synthetic Diesel Oil provides up to 76% less oil consumption.L

Reduces Oil Consumption – Signature Series Max-Duty Synthetic Diesel Oil provides up to 76% less oil consumption.

LThan 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
  • Resists thermal (heat) breakdown better than conventional and competing synthetic diesel oils.
  • Stays fluid in sub-zero temperatures for easier starting, improved oil flow and reduced wear.

See the Product Data Bulletin for full details.

AMSOIL Signature Series 10W-30 100% Synthetic Max-Duty Diesel Oil

Data Bulletin

Warranty

SDS



AMSOIL Signature Series 10W-30 100% Synthetic Max-Duty Diesel Oil

  • 5 star rating
    Excellent product
    By  MICHEL,  a  Verified Buyer  on  February 25, 2024
    The best
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Long Time Customer
    By  Jerry,  a  Verified Buyer  from  MS  on  February 24, 2024
    I've been an Amsoil customer since 2008 and have never regretted purchasing any of the Amsoil products. I've used Amsoil in my RAM 2500 diesel gas cars/trucks, motorcycles and lawn equipment. All of their oils and filters are first rate. Will be a customer for many years to come.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Great Oil
    By  STEVE,  a  Verified Buyer  from  Liberty Twp, Ohio  on  February 23, 2024
    Just did 3rd oil change using Amsoil instead of OEM in F250 Powerstroke. It lasts longer, the engine runs slightly quieter and I'm confident in the better quality.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Diesel Oil 10W-30
    By  ILIYAN,  a  Verified Buyer  on  February 05, 2024
    Very fast delivery as always.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Great product
    By  MATTHEW,  a  Verified Buyer  from  Henderson, Nevada  on  January 28, 2024
    This is the only oil I’ll use in my truck.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Quite engine now
    By  BRIAN,  a  Verified Buyer  from  Texas   on  January 25, 2024
    Purchased a brand new 2024 Cummins 6.7 Was having a slight tic @ 2k miles on it Dealer said it was fine Changed oil @3k miles and filter with this amsoil and it’s super quiet and idles much smoother Love amsoil and all there products
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Very Good Oil
    By  MICHAEL,  a  Verified Buyer  from  Lancaster,SC  on  January 18, 2024
    I use this oil in my F-350 Diesel Pickup and in my 2021 Western Star Semi. I use to use Shell Rotella T5 10W30. I decided to give Amsoil 10W30 a try and I will never go back. Very good oil!
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    The best stuff
    By  STEPHEN,  a  Verified Buyer  on  January 17, 2024
    This is the best oil on the market
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    great product
    By  Mark,  a  Verified Buyer  from  Georgia  on  January 14, 2024
    this oil gives me confidence that my 6.7 power stroke will stay healthy my f550 is my service truck and my lively hood i can't afford to use nothing but the best thanks AMSOIL
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Switched to AMSOil and haven't looked back
    By  Bill,  a  Verified Buyer  on  January 14, 2024
    I switched to AMSOil syn for my diesel trucks in 2010 based on commentary from my mechanic. basically, after 250K miles, another engine looked brand new without any sludge visible.... seems to be working for me....
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?