The steering axle is usually located on a tow tractor, so it is also called the front axle, and its structure is the same, consisting of two steering trunnions and a crossmember, and the wheels are mounted on the steering trunnion. When turning, the steering trunnions deflect the wheels at both ends at a certain angle to realize the steering of the vehicle. In addition to the steering function, the trailer steering axle also supports the torque generated by longitudinal and lateral forces.
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