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How a Manual Gearbox Works

Model: (Various brands) Various
Part: Transmission

Video tutorial

This video briefly describes how a manual gearbox works, which is a mechanical system that allows the driver to manually select the most suitable gear ratio for the speed and driving conditions. The main components are: the clutch, which is a disc that connects/disconnects the engine from the gearbox; the input primary shaft that receives power from the engine; the output secondary shaft that transmits power to the wheels; the gear pairs, which are sets of toothed wheels with different ratios; the gear selector lever that moves the synchronisers to engage the gears; the synchronisers, which slow down or speed up the gears for a smooth engagement.


Posted on 15 March 2026 by ScegliAuto


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by ScegliAuto

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