fits model: T90. make: Jeep.

( Brand: Willys ), ( Manufacturer Part Number: 640390 ), ( Part Type: Transmission ), ( Vintage Part: Yes ), ( Country/region Of Manufacture: United States )
The Willys 640390 Jeep International T90 Transmission is a vital component of any Jeep vehicle, providing the necessary power transfer from the engine to the wheels. This transmission is specifically designed for Jeep models and is renowned for its reliability and durability, making it an excellent choice for off-road enthusiasts and everyday drivers alike.
The T90 transmission is a manual, 4-speed unit, featuring a 2-3 synchro gearset. The 2-3 synchro gearset allows for smooth and easy shifting between second and third gears, reducing the likelihood of gear grinding and providing a more enjoyable driving experience. The synchro gearset also helps to reduce the effort required to shift gears, making it easier for drivers, especially in heavy traffic or when maneuvering in tight spaces.
The T90 transmission is built with a robust cast iron housing, providing excellent protection against the rigors of off-road driving. The gear teeth are hardened and heat-treated for long-lasting performance, ensuring that the transmission can handle the high torque and power outputs of modern Jeep engines. The transmission also features a heavy-duty clutch system, providing smooth and efficient power transfer from the engine to the wheels.
The Willys 640390 Jeep International T90 Transmission is also easy to install, with clear and straightforward installation instructions provided. The transmission comes with all necessary hardware, including mounting bolts and seals, making installation a straightforward process for the average DIY mechanic.
In summary, the Willys 640390 Jeep International T90 Transmission is a reliable, durable, and easy-to-install 4-speed manual transmission for Jeep vehicles. Its 2-3 synchro gearset makes shifting smooth and easy, while its robust cast iron housing and hardened gear teeth ensure long-lasting performance even in the most demanding off-road conditions. Whether you're an off-road enthusiast or an everyday driver, the T90 transmission is an excellent choice for your Jeep vehicle.
Pros of buying Willys 640390 Jeep International T90 Transmission 2-3 Synchro:1. Reputation: The T90 transmission is a well-known and trusted transmission in the Jeep community. It's been used in many Jeep models for decades, which speaks to its reliability and durability.
2. Availability: Parts for the T90 transmission are relatively easy to find. This means that if you need to replace any components in the future, you should be able to find them without too much trouble.
3. Adaptability: The T90 transmission can be used in a variety of Jeep models, not just the International. This means that if you decide to swap out transmissions in your Jeep, the T90 could be a good option.
4. Cost: Compared to some other transmissions, the T90 can be relatively affordable. This could make it a good option for those on a budget.
Cons of buying Willys 640390 Jeep International T90 Transmission 2-3 Synchro:1. Age: The T90 transmission is an older design, which means it may not have some of the modern features and efficiency of newer transmissions.
2. Lubrication: The T90 transmission uses splash lubrication, which can lead to inconsistent lubrication and potential wear and tear.
3. Shifting: Some users have reported that the T90 transmission requires a bit more effort to shift than some newer transmissions.
4. Limited Gear Range: The T90 transmission only has three forward gears, which may not provide the best performance or fuel efficiency in modern vehicles.
Recommendation:If you're looking for a reliable, affordable, and widely available transmission for your Jeep, the Willys 640390 Jeep International T90 Transmission 2-3 Synchro could be a good option. However, if you're looking for a transmission with modern features, better fuel efficiency, or a wider gear range, you may want to consider other options. As always, it's important to do your research and consider your specific needs and budget before making a decision.
Good used parts, sold in pairs and as is.