The walking characteristics of wheeled tractor

（一）Features:

1.Good maneuverability, fast speed, flexible steering, suitable for all kinds of terrain and working environment.

2.The pressure on the road surface is relatively small, and it is not easy to damage the road surface.

3.Maintenance costs are low and tire changes are relatively easy.

（二）constituent part:

Front wheel: Mainly used for steering, usually small, with a certain steering Angle.
Rear wheels: provide traction, generally larger and wider, to increase the contact area with the ground and improve traction.
Frame: Connects the front and rear wheels and supports the weight of the entire tractor.
Suspension system: including springs, shock absorbers, etc., used to reduce vibration during driving and improve ride comfort.