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Is type F transmission fluid the same as ATF?

No, type F transmission fluid is not the same as automatic transmission fluid (ATF). While they are both fluids used in vehicle transmissions, they have distinct specifications and applications.


What is Type F Transmission Fluid?


Type F transmission fluid is a specific type of lubricant designed for use in older Ford automatic transmissions. It was originally developed by Ford in the 1960s for their vehicles equipped with Cruise-O-Matic and FMX automatic transmissions.


Type F fluid has a unique formulation that includes higher viscosity and different additive packages compared to modern ATF. It is intended to provide the proper lubrication, friction characteristics, and wear protection for the specific design of those older Ford transmissions.


What is Automatic Transmission Fluid (ATF)?


Automatic transmission fluid, or ATF, is a general term for the lubricating fluid used in most modern automatic transmissions. ATF has a lower viscosity and different additive package compared to Type F fluid. It is designed to provide the optimal friction, wear resistance, and hydraulic properties required by the complex components in today's automatic transmissions.p>

ATF comes in various specifications, such as Dexron, Mercon, and Type T, to meet the requirements of different transmission designs from various automakers. Using the wrong type of ATF can cause transmission problems, so it's important to refer to the vehicle owner's manual for the proper fluid recommendation.


Key Differences Between Type F and ATF



  • Formulation: Type F has a higher viscosity and different additive package compared to modern ATF.

  • Application: Type F is specifically for older Ford automatic transmissions, while ATF is used in most modern automatic transmissions.

  • Compatibility: Type F should only be used in the transmissions it was designed for, as it may not provide adequate lubrication or protection in newer transmissions. ATF has a wider range of compatibility.

  • Availability: Type F fluid is less commonly available than the various ATF specifications, as it is only required for a limited number of older vehicles.


In summary, while both Type F and ATF are transmission fluids, they are not interchangeable due to their distinct formulations and applications. It's important to always refer to the vehicle manufacturer's recommendations when selecting the proper transmission fluid.

Can you mix ATF and type F?


Yes. Synthetic ATF and conventional fluids are 100 percent compatible with each other.



What is the difference between Type F and DEXRON 2?


Dexron 2 transmission is ideal for older GM transmissions, ensuring optimal performance and protection. Type F automatic transmission fluid is recommended for older Ford transmissions, providing the required friction characteristics for these models.



What is a substitute for type F?


I use Dexron/Mercon 3 in my 58 Mercomatic, been fine for 17 years. Serviced plenty of older Fords that call for type F with DM3. If you are driving around it's fine. If you are pushing things to their limits then there might be a difference.



Do all Fords use type F transmission fluid?


This fluid is recommended for all pre 1979 model Ford built automatic transmissions regardless of age.



What is Pennzoil Type F transmission fluid?


Pennzoil ATF Type F automatic transmission fluid is specially formulated to meet the lubrication requirements of specific automatic transmission units, power steering systems, and hydraulic systems requiring a non-friction modified type fluid. Reduces clutch and brake fluid slippage. High oxidation resistance.



Is MERCON ATF the same as Type F?


Type F was the Ford specification for auto trans fluid prior to 1977. Beginning in '77, Ford began specifying Mercon fluid in most transmissions, and in all by '81. (Dexron is the GM auto trans fluid spec. Mercon and Dexron III are considered compatible by virtually all.)



What is the difference between ATF and ATF Type F?


Type F (Ford)
Unlike most ATFs, Type F doesn't include friction modifiers. So unless you're driving a car that's pushing 40, this isn't the type of ATF for you. Choosing the correct transmission fluid is critical to insuring the maximum performance and fuel economy from your car.



What happens if you use the wrong ATF?


Immediate Effects. Immediately after putting the wrong transmission fluid in your vehicle, you can start noticing issues while driving. In most cases, people notice strange noises, overheating, and slipping gears. Do not ignore these warning signs, because they will not go away on their own.



Are Type C and Type F interchangeable?


"Type F plug can fit into a type C outlet, but not the other way around." You got these backward. Type F(ground), needs to go into a socket that has a ground. Type C sockets do NOT have a ground, so it would be dangerous to plug a Type F(ground) plug into a Type C socket(no ground).



Is Type A transmission fluid same as ATF?


Type A automatic transmission fluid was "the usual" ATF in the 1950s and early 1960s. By the late 1960s, it was superseded in the marketplace by ATFs meeting General Motors' Dexron specification, which could be safely substituted for Type A and Type A Suffix A in earlier vehicles.


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.