AMSOIL Signature Series 5W-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.

MAXIMUM ENGINE PROTECTION

• Delivers 6X more wear protection, delivering extra protection so you can push your diesel with peace of mind
• Provides long-lasting wear protection, keeping cylinder liners looking like new
• Delivers up to 60 percent better turbo cleanliness
• 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 protection

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.

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.

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.

Protects Against Rust

Provides up to 2X better rust protection.

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 consumption

Reduces Oil Consumption

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

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.