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What are the functions of a transmission?

4 Answers
CharlotteDella
07/23/25 12:26pm
The functions of a transmission: 1. Change the speed of the vehicle and the torque on the driving wheels; 2. Enable reverse driving; 3. Enable neutral gear, where the transmission can disengage power output when the clutch is engaged, allowing the driver to release the clutch pedal and leave the driver's seat without the engine stalling. A transmission is a mechanism used to alter the speed and torque from the engine, capable of fixed or stepped changes in the transmission ratio between the output and input shafts, also known as a gearbox. The transmission consists of two main parts: the gear transmission mechanism and the gear shifting mechanism. Transmissions can be divided into three types: stepped transmissions, continuously variable transmissions (CVT), and integrated transmissions.
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OAlexis
08/10/25 10:24am
The transmission is particularly important when driving, as it helps me adjust the vehicle's speed to suit different road conditions. For example, a low gear is needed when starting to give the wheels enough power to push the car forward, while shifting to a higher gear during acceleration or overtaking allows the speed to increase. When encountering steep slopes, downshifting increases torque for easier climbing, and the reverse gear makes parking and reversing much more convenient. An automatic transmission simplifies driving, eliminating the need for frequent gear changes in city traffic jams, while a manual transmission offers more control and a more engaging driving experience on rural roads. The transmission also improves fuel efficiency, as higher gears reduce engine load during highway cruising, saving fuel. In terms of maintenance, regular checks of the transmission fluid are crucial to avoid wear that could lead to difficult shifting. Overall, it makes driving safer and more comfortable, adapting to various driving scenarios.
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VanPhoebe
09/22/25 3:57am
The core function of the transmission is to convert the power output of the engine, enabling the car to operate at different speeds. For example, it downshifts to increase torque and provide strong thrust when driving at low speeds or climbing hills, while upshifting at high speeds reduces RPM for better fuel efficiency. The reverse gear enables backward movement, and neutral gear allows the engine to idle without driving the wheels when parked. Manual transmissions give me direct control over the clutch and gearstick, enhancing driving interaction, while automatic transmissions intelligently adjust gears for urban traffic. This device also impacts overall performance, such as smooth shifting on highways to reduce vibrations and improve comfort, as well as extending engine life by preventing overload. Proper use of the transmission optimizes fuel consumption, making it an indispensable part of modern automobiles.
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BrandonLee
11/05/25 7:17am
The transmission, simply put, is a device that alters vehicle speed and power. While driving, it helps the car accelerate or decelerate to adapt to road conditions—for example, using lower gears for slow-speed high-thrust starts and higher gears for fuel-efficient cruising. It also enables reverse gear and neutral for parking. Automatic types offer greater convenience by eliminating manual operation, making them ideal for beginners. Maintenance-wise, regular oil changes are crucial to prevent malfunctions and ensure smooth gear shifts for safe driving.
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