Signature Series Fuel-Efficient ATF
Low-viscosity synthetic automatic transmission fluid for cars and light trucks that call for a fuel-efficient ATF. Holds up through towing, stop-and-go traffic, and highway heat so shifts stay smooth.
View productAMSOIL Automatic Transmission Fluid
AMSOIL automatic transmission fluid fights the heat, oxidation, and wear that thicken fluid and slow down shifts. Clutch packs and valve bodies stay cleaner through towing, stop-and-go traffic, and long highway miles, so shift quality holds up as the fluid ages.
The line covers flagship Signature Series ATF, OE fluid for factory drain schedules, dedicated CVT and DCT fluid, Torque-Drive for severe and commercial duty, and Super Shift for the track. Match the formula to the transmission type, then compare specs and package sizes on each product page.
Compare AMSOIL automatic transmission fluid
Confirm the match for the vehicle or equipment in the AMSOIL vehicle lookup guide, then compare the formulas below.
Signature Series Multi-Vehicle ATF
Flagship synthetic multi-vehicle automatic transmission fluid for a wide range of cars and light trucks. Fights heat, oxidation, and wear so clutch packs and valve bodies stay cleaner through hard use.
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Signature Series ULV ATF
Ultra-low-viscosity synthetic ATF for late-model automatics designed around thinner fluid. Keeps film strength and shift control where a heavier transmission fluid would be the wrong match.
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OE Multi-Vehicle ATF
Synthetic multi-vehicle automatic transmission fluid for drivers who stay on the factory drain schedule. Broad coverage for everyday car and light-truck automatics that call for a multi-vehicle ATF.
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OE Fuel-Efficient ATF
Lower-viscosity synthetic ATF in the OE line for transmissions that specify a fuel-efficient fluid. Supports clean, responsive shifts for cars and light trucks on a factory service schedule.
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Synthetic CVT Fluid
Dedicated synthetic CVT fluid for belt-drive and chain-drive continuously variable transmissions. The friction balance keeps power transfer smooth and helps prevent the shudder a wrong fluid can cause.
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Synthetic DCT Fluid
Synthetic dual-clutch transmission fluid built for precise wet-clutch control and fast, clean shifts. Protects gears and clutch packs through the heat of daily driving and hard performance use.
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Torque-Drive ATF
Heavy-duty synthetic automatic transmission fluid for severe service, commercial equipment, and long hours under load. Holds hydraulic control and clutch performance as sump temperatures climb.
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Super Shift Racing Transmission Fluid
Racing transmission fluid built for firm clutch engagement and stable viscosity under competition heat. Made for track and high-performance duty rather than routine street service.
View productWhich automatic transmission fluid fits which job
Automatic transmission fluid is not one single category. A geared automatic, a continuously variable transmission, and a dual-clutch gearbox each place a different demand on the fluid. Start with the transmission type, then narrow by service plan and duty.
| Transmission and duty | Formula | Details |
|---|---|---|
| Geared automatic, extended drain service | Signature Series Multi-Vehicle ATF | View specs |
| Geared automatic calling for a fuel-efficient fluid | Signature Series Fuel-Efficient ATF | View specs |
| Geared automatic calling for an ultra-low-viscosity fluid | Signature Series ULV ATF | View specs |
| Geared automatic on the factory drain schedule | OE Multi-Vehicle ATF | View specs |
| Factory schedule with a fuel-efficient fluid specified | OE Fuel-Efficient ATF | View specs |
| Continuously variable transmission | Synthetic CVT Fluid | View specs |
| Dual-clutch gearbox | Synthetic DCT Fluid | View specs |
| Heavy-duty, commercial, and severe service | Torque-Drive ATF | View specs |
| Racing and high-stall converter use | Super Shift Racing Transmission Fluid | View specs |
Start with the transmission type, not the model year
The most common transmission fluid mistake is treating every automatic as the same machine. A traditional geared automatic shifts through planetary gearsets and clutch packs, a continuously variable transmission runs a belt or chain between two pulleys, and a dual-clutch gearbox is mechanically closer to a manual with two clutches doing the shifting.
That is why a continuously variable transmission calls for Synthetic CVT Fluid and a dual-clutch gearbox calls for Synthetic DCT Fluid rather than a multi-vehicle ATF. Putting a geared-automatic fluid into a belt-and-pulley system can cause slip, and that repair costs far more than the fluid.
Signature Series or OE comes down to the service plan
Both lines are full synthetic and both cover a broad range of cars and light trucks. The difference is the drain schedule each one is built around. OE Multi-Vehicle ATF is designed to protect across original equipment drain intervals, which suits an owner who services on the factory schedule.
Signature Series Multi-Vehicle ATF is the flagship formula, built to resist heat and oxidation long enough to support extended service where the application allows. Drivers who tow, sit in traffic, or plan to keep a vehicle well past the warranty period usually land here.
Severe duty changes the answer
Heat is what ends the life of an automatic transmission fluid. Towing a trailer up a grade, running stop-and-go delivery routes, and idling in summer traffic all push sump temperatures up, and as the fluid oxidizes it leaves behind the varnish and sludge that clog narrow valve-body passages.
Torque-Drive ATF is the choice when the duty is genuinely commercial or severe rather than occasional. For track use behind a high-stall converter, Super Shift Racing Transmission Fluid is a specialized fluid rather than a street formula, so it is not a general upgrade for a daily driver.
Multi-vehicle coverage is a list, not a guarantee
A multi-vehicle ATF earns that name by covering a long list of published manufacturer specifications, and each product page prints the current list. Coverage is specific: a fluid that covers one manufacturer's requirement does not automatically cover the next one, and manufacturers revise requirements when a transmission design changes.
Confirm the year, make, model, and transmission in the AMSOIL vehicle lookup guide before ordering, then check that result against the specification list on the product page. An engine and transmission flush before the refill helps clear old fluid and deposits out of the system.
Common questions
What is the difference between Signature Series and OE automatic transmission fluid?
Both are full synthetic. OE Multi-Vehicle ATF is formulated to protect across original equipment drain intervals, which fits an owner servicing on the factory schedule. Signature Series Multi-Vehicle ATF is the flagship formula, built to resist heat and oxidation through extended service where the application allows.
Can regular ATF be used in a CVT?
No. A continuously variable transmission depends on a specific friction behavior between a metal belt or chain and its pulleys, which a geared-automatic fluid is not formulated to deliver. A CVT needs a dedicated CVT fluid that matches the specification the manufacturer names.
Is multi-vehicle ATF safe for every automatic transmission?
No. A multi-vehicle fluid covers a published list of manufacturer specifications, and anything outside that list is not covered. Check the specification list on the product page against the requirement in the owner's manual, and confirm the transmission in the AMSOIL vehicle lookup before ordering.
How often should automatic transmission fluid be changed?
Follow the vehicle manufacturer's interval for the service the vehicle actually sees, because a truck that tows falls under the severe-service schedule rather than the normal one. Each product page lists the drain-interval guidance published for that specific formula.
Which automatic transmission fluid is best for towing?
Towing raises sump temperature, and heat is the main thing that breaks a fluid down. Signature Series Multi-Vehicle ATF is built to resist heat and oxidation under that load, and Torque-Drive ATF is aimed at heavy-duty and commercial severe service.
Does a transmission need a flush before new fluid?
A flush is not always required, but it clears old fluid and deposits that a simple drain leaves behind in the converter and cooler lines. Engine and Transmission Flush is the preparation product used before a fluid change, with published treat rates by sump size.
Related service products
Preparation products used before a transmission fluid change.
