Transfer the weight of the excavator to the track; Buffer the impact when digging and walking.
Use the tensioning device to move the idler to adjust the tension of the track.
Guide the track running to prevent track deviation.Use the tensioning device to move the idler to adjust the tension of the track.
Hold up the upper track to prevent it from sagging excessively due to its own weight.
By increasing the contact area and reducing the pressure on the ground, it can work smoothly on the soft ground.