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What is Toyota WS transmission fluid?

Toyota WS transmission fluid is a specialized lubricant designed for use in certain Toyota and Lexus vehicles equipped with automatic transmissions. It is a high-performance fluid that helps maintain the proper operation and longevity of these transmissions.


Overview of Toyota WS Transmission Fluid


Toyota WS transmission fluid is a synthetic-based fluid that meets the stringent requirements set by Toyota for its automatic transmissions. It is formulated to provide superior lubrication, wear protection, and thermal stability, even under the demanding conditions experienced by modern automatic transmissions.


This fluid is specifically engineered to be compatible with the materials and components used in Toyota and Lexus automatic transmissions, ensuring optimal performance and preventing premature wear or damage. It is recommended for use in a variety of Toyota and Lexus models, including those equipped with the following transmissions:



  • Toyota U660E, U760E, and U760F transmissions

  • Lexus F1 and F2 transmissions


Using the correct Toyota WS transmission fluid is essential for maintaining the health and longevity of these transmissions. Failure to use the recommended fluid can lead to increased wear, reduced efficiency, and even transmission failure over time.


Key Features and Benefits of Toyota WS Transmission Fluid


Toyota WS transmission fluid offers several key features and benefits that make it a superior choice for Toyota and Lexus automatic transmissions:



  • Excellent Lubrication: The fluid's synthetic-based formulation provides superior lubrication, reducing friction and wear on critical transmission components.

  • Thermal Stability: The fluid maintains its viscosity and performance characteristics even under high-temperature conditions, helping to prevent thermal breakdown and ensure consistent operation.

  • Corrosion Protection: The fluid contains additives that help prevent the formation of rust and corrosion, protecting the transmission's internal components.

  • Compatibility: Toyota WS transmission fluid is specifically designed to be compatible with the materials and seals used in Toyota and Lexus automatic transmissions, ensuring optimal performance and preventing leaks or other issues.


By using the recommended Toyota WS transmission fluid, Toyota and Lexus owners can help ensure the long-term health and performance of their vehicle's automatic transmission, ultimately extending its lifespan and reducing the risk of costly repairs.

When did Toyota switch to WS fluid?


And there were three SAE documents in a row in 2003. Talking about the development of this fluid.



How often do you change the transmission fluid in a Toyota WS?


If you drive manual, most manufacturers will recommend changing your transmission fluid every 30,000 to 60,000 miles. If you have automatic, you can typically boost that range up to 60,000 to 100,000 miles. There's no harm in changing your fluid early.



Is Toyota WS the same as Dexron III?


Dexron III
Most significantly, Japanese transmission companies have started developing Dexron-powered systems. Being a Japanese business, Toyota would naturally include these modern, effective gearboxes into its goods. It should be noted that Dexron and WS ATF often cannot be used interchangeably.



What type of fluid is a Toyota WS?


ATF Type WS
It includes a unique mix of friction materials for the specific pressure settings in Lexus, Scion and Toyota automatic transmissions. This formulation helps promote smooth shifting in extreme temperatures and prevent transmission shudder. Formulated For: Lexus, Scion, and Toyota.



What type of transmission fluid is WS?


ATF Type WS
It includes a unique mix of friction materials for the specific pressure settings in Lexus, Scion and Toyota automatic transmissions. This formulation helps promote smooth shifting in extreme temperatures and prevent transmission shudder. Formulated For: Lexus, Scion, and Toyota.



Is Dexron VI compatible with Toyota WS?


It is suitable for use where GM DEXRON®-VI, DEXRON® III/III(H)/IIE, DEXRON® II, Ford MERCON® LV, Allison®, Honda® Z-1, Hyundai/Kia SP-II/III/IV, Toyota WS,T-III, T-IV, Mercedes Benz®, or Nissan® Matic C/D/J/K/S Fluids are recommended. Always check your owner's manual for proper service recommendations.



What is type WS transmission fluid?


ATF Type WS
This formulation helps promote smooth shifting in extreme temperatures and prevent transmission shudder. Formulated For: Lexus, Scion, and Toyota. ATF Type WS fluid is chemically balanced to help protect seals and o-rings against corrosion, rust and wear.



What does the WS stand for in Toyota transmission fluid?


I have changed my truck over from toyota trans fluid to amsoil. I will also be changing the trans fluid in my prius the uses toyota WS (world standard) to amsoil as well.



Is Castrol Transmax compatible with Toyota WS?


It is designed to meet the Japanese Automobile Standards Organisation performance needs (JASO 1A) and provide performance at least equal to Genuine automatic transmission fluids. Castrol Transmax FE Multivehicle is suitable for use where Toyota WS, Nissan Matic S and Hyundai/Kia SPH-IV fluids are required.



Is Toyota WS fluid lifetime?


Toyota WS is considered lifetime fill under normal driving conditions, but a drain/refill is required every 60,000 miles if the vehicle is used to tow. Compare this to a vehicle that takes Toyota T-IV, but requires a change every 30,000 miles.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.