AMSOIL Synthetic Automatic Transmission Fluid
AMSOIL Signature Series Multi-Vehicle Synthetic ATF is built for heavy towing, high heat and hard use — guaranteed for twice the OEM severe-service drain interval and proven in a 100,000-mile severe-service taxi-fleet field trial. Order it from Tuned Yota, an Independent Authorized AMSOIL Dealer, shipped anywhere in the U.S.
Why AMSOIL Signature Series ATF
- Guaranteed for twice the OEM severe-service drain interval.
- Proven in a 100,000-mile severe-service taxi-fleet trial — the valve body and clutch plates came back virtually free of sludge, deposits and wear.
- High antioxidant content resists thermal breakdown, sludge and varnish that clog narrow passages and glaze clutches.
- Stays fluid in sub-zero cold and holds reserve protection under heavy towing, hauling and challenging terrain.
Products in this guide
Severe-service and 100,000-mile results are from AMSOIL's Las Vegas Taxi Cab Field Study.
Frequently asked questions
Is AMSOIL ATF good for towing and heavy hauling?
Yes — it's formulated specifically for severe service: heavy towing, elevated temperatures and challenging terrain, with reserve protection against heat. It's a strong choice for trucks, SUVs and vans that work hard.
How long does AMSOIL Signature Series ATF last?
It's guaranteed for twice the original equipment manufacturer's severe-service drain interval. After 100,000 miles in a severe-service fleet trial it still retained 41% of its original oxidation inhibitors.
Where can I buy AMSOIL Synthetic Automatic Transmission Fluid?
Online from AMSOIL through Tuned Yota, an Independent Authorized AMSOIL Dealer in Lakeville, Minnesota: every "Buy" link on this site opens the product on amsoil.com, and the order ships from AMSOIL. Preferred Customer pricing is available only by registering as an AMSOIL Preferred Customer. You can also call (612) 406-7117 or email info@tunedyota.com to order through us.