MAXIMUM ENGINE PROTECTION
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.
- 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 for maximum horsepower
- Provides up to 2X better rust protection
DELIVERS MORE WEAR PROTECTION
AMSOIL delivers powerful engine 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.
KEEPS TURBOS CLEAN
AMSOIL Signature Series Max-Duty Synthetic Diesel Oil provides protection boosted to the max, delivering up to 60% better turbo cleanliness and withstanding the extra demands you place on the turbo when pulling heavy loads or updating the tune for maximum horsepower.
VISCOSITY CONTROL
- Provides up to 76 percent less oil consumption
- Resists oxidation and the thickening effects of soot contamination
- Retains viscosity after high-temperature service for maximum engine protection and efficiency
EXCELS IN EXTREME TEMPERATURES
- Stays fluid in sub-zero temperatures for easier starting, improved oil flow and reduced wear
- Provides outstanding protection and performance in hot and cold temperature extremes
- Resists thermal (heat) breakdown better than conventional and competing synthetic diesel oils