What is the difference between a tractor and a trailer

The main differences between tractor and trailer are reflected in the following aspects:
Definition and Function: Tractor, also known as trailer or trailer, is mainly used to tow truck trailers. It usually consists of a chassis, engine, gearbox, cab, etc., and when combined with a trailer, it can form a complete truck transportation combination. It is commonly used for long-distance transportation and heavy cargo transportation. Trailer refers to a vehicle that is pulled by a car without its own power drive device, usually composed of one or more trailers pulled by a main vehicle (such as a tractor or truck), and is an important type of road transportation vehicle.
Structural features: Tractors usually have strong power and load-bearing capacity, equipped with high-power diesel engines, which can provide sufficient power to support the towing of heavy-duty trailers. In addition, the tractor also has high stability and reliability, as well as a comfortable driving experience. The trailer does not have a power drive device, and its structure is mainly to meet the needs of transporting goods.
Usage: When using a tractor, it is necessary to pay attention to checking the engine, transmission, brakes, and other components to ensure their safety and reliability. The trailer, on the other hand, relies entirely on the traction of the towing vehicle for movement, without the need to pay attention to power issues, but it needs to pay attention to the connection status with the towing vehicle to ensure safe transportation.
Overall, tractor and trailer each have different characteristics and functions, and when used together, they can meet various complex transportation needs. In practical applications, it is necessary to select suitable tractor and trailer combinations based on specific transportation tasks and environmental conditions.