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What are the Five Major Components of a Car?

1 Answers

EliLee

07/29/25 8:54am

Car five major components also refer to the five major assemblies of a car, which include the engine assembly, steering gear assembly, transmission assembly, front and rear axles, and the frame. There are clear regulations on the use of these five major components. According to the regulations on the recycling and management of scrapped vehicles, it is not allowed to assemble cars using these five major components, nor is it allowed to trade them in any form. Below are detailed introductions: Engine Assembly: Also known as the engine, it is a machine capable of converting one form of energy into another more useful form of energy, typically converting chemical energy into mechanical energy (the conversion of electrical energy into mechanical energy is referred to as an electric motor). Sometimes, it can refer to both the power generation device and the entire machine including the power device. Steering Gear Assembly: Commonly known as the steering gear, it is the most important component for the steering function of a car and a crucial guarantee for driving safety. Transmission Assembly: The transmission is a mechanism used to change the speed and torque from the engine. It can fix or change the gear ratio between the output shaft and the input shaft, also known as the gearbox. The transmission consists of the transmission mechanism and the control mechanism, with some cars also including a power take-off mechanism. Front and Rear Axles: The front and rear axles refer to the parts of the front and rear wheel axles. The front axle includes components such as shock-absorbing springs, steering gear, and balance shafts, while the rear axle also includes the drive shaft and transmission gears. Frame: The frame, also known as the chassis, is the base of the car. It is generally composed of two longitudinal beams and several cross beams, supported on the wheels via the suspension system, front axle, and rear axle. It has sufficient strength and stiffness to bear the load of the car and the impact transmitted from the wheels.

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