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 cleanliness 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.
Save More When You Contact Dan to become an AMSOIL Preferred Customer
Save $$
versus retail pricing
$50 Bonus
in AMSOIL incentives
Free Shipping
orders of $100 or more
Complete the form below to get in on this exclusive offer. Or call Dan at (800) 370‑2986 (M‑F 9a‑5p ET)
Click Here for Offer Details
By contacting Dan Watson to sign up as an AMSOIL Preferred Customer, you’ll receive the following savings:
- 6-month AMSOIL Preferred Membership at no cost ($10 value). PC Members receive up to 25% off AMSOIL retail pricing
- $40 credit on your first order of at least $110 (example: $110 order of AMSOIL products minus $40 credit means your first order would be $70 plus tax)
- Free shipping on orders of $100 or more (like the $110 order example above)
Offer valid for new Preferred Customers only
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Prefer to pay retail or not interested in $50 in extra AMSOIL Products and Benefits with your first Preferred Customer order? Order online by choosing one of the following product lines…
