The saddle is the key component connecting the tractor and the semi-trailer, and plays an important role in transmitting the longitudinal and braking force between the semi-trailer saddle and the trailer. The impact in the form of motion, its structure directly affects the operational safety of the

One of the double-cavity brake air chambers is responsible for the service brake, and the other is responsible for the parking brake. There are two air ports, which are respectively connected to the drive chamber and the parking chamber, and are used to fill different chambers according to different

Semi-trailer outriggers, commonly known as outriggers, are divided into left and right legs. As an indispensable part of a semi-trailer, the commonly used outriggers generally have a stroke of about 45 cm, a closed height of about 90 cm, a rated load of 28 tons, and a static load of 40 tons. They al

The landing gear of the semi-trailer is divided into left and right. As an indispensable part of the semi-trailer, the common landing gear has a general stroke of about 45 cm, a closed height of about 90 cm, a rated load of 28 tons and a static load of 40 tons. The semi-trailer and the tractor are s