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Which Automatic Transmission is Stable and Reliable?

1 Answers

DiRemington

07/29/25 4:40pm

The most stable and durable transmission does not yet have a definitive conclusion. With advancements in technology, the durability and reliability of transmissions are gradually improving. Common transmissions on the market today include MT (manual transmission), AT (mechanical automatic transmission), CVT (continuously variable transmission), DCT (dual-clutch transmission), and AMT (automated manual transmission), among others. MT Manual Transmission: Also known as a manual gearbox. It requires the driver to manually shift the gear lever to change the gear engagement inside the transmission and use the foot to control the clutch engagement level to alter the gear ratio, thereby achieving gear shifting. The clutch must be depressed to shift the gear lever. If the driver is skilled, a car with a manual transmission can accelerate and overtake faster than an automatic transmission vehicle and is also more fuel-efficient. The advantages of this transmission are its affordability and the driving pleasure it offers. AT Mechanical Transmission: It uses planetary gear sets and a torque converter for gear shifting, replacing the traditional clutch and freeing the driver's left foot. It can determine the optimal gear based on parameters such as speed, throttle, and driver commands. Due to its low fuel consumption and economic efficiency, it is favored by Japanese automakers. However, the downside of this transmission is the noticeable gearshift jerkiness. It can control the clutch engagement and disengagement, tasks originally performed manually by the driver. CVT Continuously Variable Transmission: Unlike MT and AT transmissions, CVT does not use gear-based transmission but connects the input and output shafts via a steel belt to achieve gear ratio conversion. This design gives CVT transmissions the smoothest performance among all transmission types, along with a simple structure and easy maintenance. However, the long-standing criticism of CVT transmissions is their lower transmission efficiency and inability to handle excessive loads, which can lead to slipping.

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