steel track

It used to be bad road conditions of the work environment.
 

Integral crawler is tracked with meshing gears, trends with driving gear,. Features: easy fabrication, but wear fast. Now excavator multi-purpose combined-type feature is the pitch small, around the turn of speed walking excavator. Long service life. The crawler board of timber for the material is light weight, high strength, the structure is simple and cheap prices for rolling plate. A single steel, double , the three and several kinds. Now the excavator with three more. Features are: the height of the steel small, tracked the strength of the board. Smooth movement, the noise is small