Introduction of Steering system, Power train and Differential

Steering system:

The steering system permits the front wheel s to be pivoted on their supports to the right or left so that the car can be steered. 

Power train:

The power train contains several mechanisms which carry the engine power to the rear wheels. And they are clutch, transmission, propeller shaft, differential and rear axles. 

Differential:

A car differential contains gears that carry the driving power from the propeller shaft to the rear wheels can rotate different amounts when the car goes around a turn.