[News] 2025-06-03
A semi-trailer is a trailer with an axle placed behind the center of gravity of the vehicle and equipped with a coupling device to transmit horizontal or vertical forces to the towing vehicle. The following is a specific explanation about semi-trailer:
Structural features:
Axle position: The axle of a semi-trailer is usually placed behind the center of gravity of the vehicle.
Coupling device: equipped with a coupling device that can transmit horizontal or vertical forces to the tractor, which is a key part of the connection between the semi-trailer and the tractor.
Bearing method:
Shared load bearing: A portion of the total weight of the semi-trailer is borne by the tractor, which means that the tractor and semi-trailer share the load together.
Load capacity limit: The load capacity of the trailer shall not exceed that of the main vehicle to ensure safe and stable driving.
Power and Driving:
No power: The semi-trailer itself has no power and needs to be towed by a tractor for driving.
Driving mode: By connecting with the tractor, the semi-trailer can follow the tractor to move and turn.
In summary, semi-trailer is a special type of trailer, and its structural characteristics, load-bearing capacity, power and driving mode make it an efficient and flexible transportation tool.
