Chassis
The chassis is the vehicle's main frame. All the power parts of the vehicle, including the engine, axle, gearbox, differential, etc., and the suspension system are mounted on the chassis. Part of the vehicle design for the chassis and the car is separated, and its structure has achieved the basic functions of automotive power, so this design of the vehicle can be in the absence of the body of the case, most of the heavy vehicles are such design. While the other part of the chassis designed to integrate with the body, that is, the body and chassis for a complete structure, this design appears in the private car. In the commercial vehicle market, some manufacturers even sell only the chassis of the truck and the assembly of the body without the bus chassis. Special-purpose car manufacturers in the purchase of the chassis and then the development of special-purpose vehicles, such as fire engines, elevators and so on. ...