Compressed air storage tank has more capacity;A trailer brake valve and connecting pipe Trailer brake;Equipped with back light and pull plug connection circuit
The tractor is simply between the front and the carriage is a tool used for traction (which is the front of the vehicle can be separated from the original carriage and other traction carriage, and the carriage can also be detached from the original front by other locomotives traction) large trucks in general (trailer). Commonly known as "semi hanging drag head", the rear of the frame, the bridge is located before the point of a loading turntable, called "saddle"".
The difference between a truck and a truck:"Three short short beam, short wheelbase, rear suspension (rear axle extending after the short part);There are more gear stalls, some from low to high speed with 12 stalls;The tank is bigger and usually double tank;Compressed air storage tank has more capacity;
Drag the head to separate the cab from the container, also called semitrailer or trailer, and so on