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What are the components of an automatic transmission?

1 Answers

SanJeremiah

07/25/25 3:50pm

An automatic transmission consists of a torque converter, gear train, oil supply system, automatic shift control system, and shift operating mechanism. The working principle of an automatic transmission is: using planetary gear mechanism for shifting, it can automatically shift gears according to the degree of the accelerator pedal and changes in vehicle speed. Common types of automatic transmissions include: hydraulic automatic transmission, mechanical continuously variable automatic transmission, electronically controlled mechanical automatic transmission, and dual-clutch automatic transmission. Their characteristics are easy operation, comfortable driving, and the ability to reduce driver fatigue. The hydraulic automatic transmission achieves automatic shifting through the combination of hydraulic transmission and planetary gears.

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