What is gearbox on a car?

The gearbox, also known as the transmission, is a crucial component of a car's drivetrain. Its primary function is to control the transfer of power from the engine to the wheels, enabling the car to move.

There are two main types of gearboxes: manual and automatic. In a manual gearbox, the driver is responsible for shifting gears using a clutch pedal and gear stick. In an automatic gearbox, the transmission system automatically selects the appropriate gear based on the car's speed and the driver's inputs.

Gearboxes usually have multiple gears, ranging from 4 to 10, with each gear providing a different ratio of engine speed to wheel speed. In general, lower gears are used for acceleration and climbing hills, while higher gears are used for maintaining speed and fuel efficiency.

The complexity of a gearbox can vary greatly, with some models featuring additional components such as multiple shafts, planetary gears, and electronic controls. Proper maintenance and regular fluid changes are important for ensuring the longevity and performance of a car's gearbox.