What is a axle?

The axle is a key part of the car, which connects the front and rear parts of the vehicle. The main role of the axle is to transfer the weight and power of the vehicle to the wheels, so that the vehicle can run normally. The axle usually consists of two half axles and a axle housing, which supports the entire structure of the axle. There are many types of axle, common axle, steering axle, drive axle and so on.