Yes and no. Let’s explore how you can get the best possible deal on AMSOIL products and the instances where free shipping is available.

Over the past few months, you may have seen online ads from AMSOIL Inc. that state the following.

Free Shipping on orders over $100. Become a PC and save. Devoted to Protection. Go to

Does AMSOIL automatically ship free on orders over $100? What is a “PC”?

AMSOIL does not ship free on all orders over $100.

Orders over $100 placed at full suggested retail prices within the United States only will receive free shipping. Quite honestly, this isn’t necessarily a great deal. If someone is spending over $100, it is worth their while to explore becoming a wholesale customer and saving 25% off of the retail prices.

A “PC” is a Preferred Customer. This is a wholesale program for individuals who buy AMSOIL products for their own use. The PC program is far and away AMSOIL’s most popular wholesale program.

Can AMSOIL Wholesale Customers Get Free Shipping ?

On certain occasions. For one week out of every month, AMSOIL offers a promotion for Preferred Customers. The promo offer changes every month and there is no advanced notice of when it will occur. In the past, these offers have been perks like free shipping, a shipping discount or a product discount. These promos generally offset shipping costs (or close to it). Wholesale prices and an additional sweetener makes for very happy Preferred Customers. These promotions are available to Canadian and US Preferred Customers.

If you have considered becoming an AMSOIL Preferred Customer, a membership has never been more valuable. Contact us for a price list using the form on this page for more details. As a factory-direct dealer, we can set you up with an AMSOIL wholesale account. Even if you are simply an individual who does their own oil changes, you can have access to these world-class products at the best possible prices in North America.

Free shipping is also available to retailer accounts on orders over $300 within the United States and orders over $400 within in Canada. Retailer accounts would be businesses such as oil change shops or parts stores who sell the products to the general public.

If you have questions, feel free to contact us using the form on this page or call us at 1-800-748-5781.



A reader asks: I have a 2017 Harley-Davidson Street Glide Special with the new 107 Milwaukee-Eight engine. When is it safe to switch to AMSOIL synthetic oil in this engine? How often should I change the oil after the break-in period?

Harley-Davidson Milwaukee-Eight Engine

The 2017 Harley-Davidson Milwaukee-Eight 107ci motorcycle (photo credit:

Our answer: Harley-Davidson suggests changing the oil in Milwaukee-Eight engine after the first 1000 miles from new and then every 5000 miles thereafter. But when should one change to a synthetic oil for the first time? We submit that you can safely switch to synthetic after the 1000-mile break-in period. The piston rings will seat properly and there will be no oil consumption issues going forward. Some customers will do two short intervals of approximately 750 miles with conventional oil. Then they will permanently switch to synthetic oil.

Once the engine is broken-in, you can safely double Harley’s 5000-mile oil change recommendation with AMSOIL Synthetic 20W-50 V-Twin Motorcycle Oil. AMSOIL’s EAOM-134C oil filter is also designed to match the Synthetic V-Twin 20W-50’s long service interval capabilities.

AMSOIL Synthetic 20W-50 V-Twin Motorcycle Oil20W-50 V-Twin Motorcycle Oil offers unparalleled performance and wear control for your Milwaukee-Eight motor. It can also be used with confidence in the primary chaincase and transmission. If you prefer dedicated fluids for the primary and transmission, check out AMSOIL Synthetic V-Twin Primary Oil and AMSOIL  Synthetic V-Twin Transmission Oil. Regardless of which AMSOIL option you choose, expect cool, smooth operation and optimized shifting.

The AMSOIL EAOM134C oil filter features stout construction and world-class wear particle removal. The long mileage capability and superb engine protection makes this unit a great value for the new Harley Milwaukee-Eight engine.

One of the most convenient aspects of the AMSOIL V-Twin Oils and Oil Filters is that they are ideal for low- and high-mileage Harley owners. Low-mileage riders can easily go the season on one oil change. Ultra-high-mileage riders don’t have to stress about the need to change oil partway through long trips.

Regardless of the oil change interval you settle upon, we recommend changing all fluids in the Milwaukee-Eight engine before winter storage.

Many mower manufacturers will allow the use of 20W-50 motor oil in their transmissions. While motor oil will work in many hydrostatic transmissions, there is a better option.

There’s no question that motor oil will capably work in mower hydrostatic transmissions. The mower will steer and it will be propelled forward and backward. But there are vital differences in the way that motor oil is formulated compared to dedicated hydrostatic transmission fluid. These differences can play a role in long term performance and component life.

The main factor to consider is that motor oil is designed for a completely different operating environment than hydrostatic transmission oil. Engine oils are formulated to deal with combustion and combustion by-products. There are very specific detergents and additives in motor oil that won’t affect performance or protection over the short term. But over time, these motor oil ingredients will limit the oil change interval and this can have an effect on long term component life.

The detergent ingredients in motor oil hold combustion by-products in suspension and prevent deposit formation. These ingredients are vital in an internal combustion engine. But not only are these ingredients not needed in a hydrostatic mower transmission, they can degrade and shear down over time. These degraded detergents can contribute to oil foaming, which can lead to compromised wear control.

AMSOIL 20W-50 Synthetic Zero-Turn Hydrostatic Transmission FluidAnother advantage that a dedicated hydrostatic transmission oil has over motor oil is the ability to fight oxidation and corrosion. The hallmark of a good hydraulic fluid is oxidative stability and strong anti-corrosion chemistry. These attributes lead to longer service life and improved protection during storage.

Hydrostatic transmissions also have gears. The meshing of gears can shear down and thin out engines oils. Hydrostatic transmission oil is designed to withstand gear lubrication to a much greater extent than motor oil. This means that dedicated transmission oil has a superior ability to maintain its original viscosity and provide more reliable wear protection over the long term.


There’s no question that motor oil will work in mower hydrostatic transmissions that allow its use. But a dedicated hydrostatic transmission oil contains specific anti-foaming, anti-rust, anti-oxidation and anti-wear ingredients. This chemistry will allow for much longer service life, consistent performance and maximized transmission life. We recommend the new AMSOIL 20W-50 Zero-Turn Synthetic Hydrostatic Transmission Fluid.

Albert “A.J.” Amatuzio, founder and former CEO of AMSOIL passed away late on March 31st at the age of 92. Mr. Amatuzio was born on May 24th, 1924. He founded AMSOIL in 1972 and served as president and CEO of the company until 2015.

While we never had the honor of meeting Mr. Amatuzio, we held him in very high regard. His life story is one of tenacity, ingenuity and immense accomplishment.

Born into humble means, Mr. Amatuzio became a distinguished US Air Force pilot and flight trainer. During his Air Force service, he noted how well synthetic oil performed in jet aircraft engines. He surmised that if synthetic engine oil handled the extreme operating conditions of jet aircraft engines, it should excel in automotive applications. This simple notion became the brainchild for AMSOIL. In 1972, the company bearing his name (“AMSoil”) released the first API-approved synthetic motor oil for automotive service.

But that doesn’t mean that the path was easy from there. Imagine going up against the big oil companies in the early 70’s with this unheard-of “synthetic” oil which was priced at ten times the cost of most motor oils of the day. Against these seemingly insurmountable odds, Mr. Amatuzio built a company that went from a one-man show to one that employs hundreds and markets its products in over 50 countries. Today, the AMSOIL brand is synonymous with exceptional quality and excellence.

Mr. Amatuzio’s legacy goes well beyond AMSOIL’s Superior, Wisconsin headquarters. His hard work  and determination enabled thousands of AMSOIL dealers located throughout the United States and Canada to enhance their lives. For that we are eternally grateful.