What are the structural components of the gearbox?

The structure of the gearbox mainly includes the following parts: 1. Input shaft: transmits the power of the engine to the gearbox. 2. Output shaft: transfer the power inside the gearbox to the drive wheel or transfer case. 3. Shift fork: control the action of shift pad or clutch to realize the switch of different gear. 4. Clutch: Separate or connect the engine and transmission train to achieve smooth shift.