AMSOIL Signature Series Max-Duty Synthetic 15W-40 Diesel Oil

Description

AMSOIL Signature Series Max-Duty Synthetic 15W-40 Diesel Oil

AMSOIL Signature Series Max-Duty Synthetic 15W-40 Diesel Oil is 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.

AMSOIL Signature Series Max-Duty Synthetic 15W-40 Diesel Oil is a premium choice for those seeking peak performance and protection for their diesel engines. This advanced formula offers unrivaled durability and efficiency, ensuring your engine operates at its best in even the most demanding conditions. Engineered to resist viscosity breakdown and maintain exceptional wear protection, this oil prolongs engine life and optimizes fuel economy.

Experience smoother starts improved cold-start operation, reduced friction, and enhanced fuel efficiency with the AMSOIL Signature Series Max-Duty Synthetic 15W-40 Diesel Oil. Its superior heat resistance helps prevent harmful deposits that can hamper engine performance over time. Formulated with top-grade synthetic base oils and cutting-edge additives, this oil exceeds industry standards to deliver unmatched cleanliness, wear control, and power output.

Whether you’re an everyday driver or a commercial fleet operator, trust in the proven reliability of AMSOIL Signature Series Max-Duty Synthetic 15W-40 Diesel Oil to keep your engine running strong mile after mile. With its impressive ability to combat sludge buildup while maintaining excellent soot-handling properties, this oil stands out as a leading choice for diesel enthusiasts who demand nothing but the best for their vehicles.

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.

AMSOIL Signature Series Max-Duty Synthetic 15w-40 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 Signature Series Max-Duty Synthetic 15W-40 Diesel Oil 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

^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.^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

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Reduces Oil Consumption

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

^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.