AMSOIL Signature Series Max-Duty Synthetic 5W-40 Diesel Oil

AMSOIL Signature Series Max-Duty Synthetic 5W-40 Diesel Oil was 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 diesel technology delivers max-duty protection in on and off-road applications. AMSOIL Signature Series Max-Duty Synthetic Diesel Oil delivers 6X more wear protection, delivering extra protection so you can push your diesel with peace of mind. It delivers up to 60 percent better turbo cleanliness and withstands the extra demands you place on the turbo when pulling heavy loads or updating the tune for maximum horsepower. AMSOIL Signature Series Max-Duty Synthetic Diesel Oil provides up to 2X better rust protection. Learn how to save up to 25% on AMSOIL Signature Series Max-Duty Synthetic Diesel Oil 5W-40 as a Preferred Customer and get fast, free shipping on $100 or more!

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Description

AMSOIL Signature Series Max-Duty Synthetic 5W-40 Diesel Oil

AMSOIL Signature Series Max-Duty Synthetic 5W-40 Diesel Oil was 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.

Signature Series Max-Duty Diesel Oil 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

Claim_DD

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.

AMSOIL Signature Series Max-Duty Synthetic 5W-40 Diesel Oil 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

Claim_K_

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

Claim_L_

LThan is 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.

Technical Specifications

SDS

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Data Bulletins

Download the Data Bulletins

WARRANTY

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