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SAVE MONEY WITH AMSOIL

Diesel Oil Viscosity and Fuel Economy
Learn how AMSOIL 5W-30 HDD can significantly improve fuel economy....and save big money!

Gasoline Engine Case Study (PDF 1MB)
Learn how switching to AMSOIL lubricants has saved Guardian Pest Control tens of thousands of dollars.

• Fewer Oil Changes 
• Reduced Downtime 
• Less Waste Oil 
• Reduced Maintenance Costs 
• Extended Equipment Life 

COMPARISON TESTING

AMSOIL Gear Lube vs. 13 Other Gear Lubes
In depth study of gear lubes. See how 13 other popular 75W-90 gear lubes compare with AMSOIL.

AMSOIL vs. Mobil1 and 9 Others
See how AMSOIL stacks up against 10 other motor oils...

AMSOIL Motorcycle Oil Comparison Tests
Read our new White Paper: "A Study of Motorcycle Oils" The most comprehensive motorcycle oil testing in history. 26 oils compared. 28 pages of documentation. (PDF 2.5MB)

See How AMSOIL Greases Compare
AMSOIL Greases were recently tested against the most popular greases. See how they compare to the competition.

INTERESTING FACTS

About AMSOIL Inc.
A Commitment to Excellence in Synthetic Lubrication. 

Frequently Asked Questions
Frequently asked questions about synthetic lubricants

AMSOIL Innovations
Chronological list of AMSOIL product introductions covering 30+ years.

ExxonMobil Follows AMSOIL into Extended Drain Market

What is a Motor Oil?
Learn about motor oil and oil and air filtration.

AMSOIL and the Environment
Learn about the positive impact using AMSOIL lubricants can have on our environment.

What Does PAO Synthetic Mean

PAGES OF INTEREST

Why Motor Oil Deteriorates

How Automatic Transmissions Work
How hydraulics, mechanics, and electronics team up in a modern automatic transmission.

An Education in Grease
Everything you ever wanted to know about grease.....

What Happens When You Switch To a Synthetic Motor Oil

What is Meant by Typical Technical Properties
Found on AMSOIL product data sheets

AMSOIL DIVISIONS

Altrum Division of AMSOIL Inc.
Established in 1985, the ALTRUM Division of AMSOIL INC. offers high quality nutritional supplements designed to maximize health and nutrition. ALTRUM provides the same excellence in health products that AMSOIL first established for lubricants in 1972.

The ALTRUM Division was founded on Al Amatuzio's unwavering belief that good nutrition and a healthy lifestyle are vital to success.

Amatuzio's drive for enhanced nutritional products and insistence on all natural, high-quality ingredients remain the driving force behind the ALTRUM Division. The same principles of high product quality and performance that apply to AMSOIL products also apply to the ALTRUM line.

AGGRAND Natural Fertilizers is committed to building balance nutrient rich soils that in turn produce better crops. We create liquid fertilizers from the highest quality natural materials available. Products that support and enhance the sustainable agriculture efforts of the farmer, nursery, lawns care specialist, golf course superintendent, wildlife food plot manager, and home gardener.

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