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Is the Transmission the Same as the Gearbox?

1 Answers

CharlesAnn

07/30/25 1:54am

Automobile gearbox is the transmission, just with different names. Transmission classification: Transmissions are divided into manual and automatic types. Manual transmissions mainly consist of gears and shafts, achieving speed and torque changes through different gear combinations; while automatic transmissions (AT) are composed of hydraulic torque converters, planetary gears, and hydraulic control systems, achieving speed and torque changes through hydraulic transmission and gear combinations. Functions of the vehicle transmission: Changing the transmission ratio to expand the range of torque and speed variations of the driving wheels, adapting to frequently changing driving conditions, while allowing the engine to operate under favorable conditions (higher power and lower fuel consumption); enabling the vehicle to reverse while maintaining the engine's rotation direction; utilizing neutral gear to interrupt power transmission, allowing the engine to start, idle, and facilitating gear shifting or power output.

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