Equipped with built-in double-sided hydraulic motor, super large solid universal bearings, maintenance-free support casters, simple operation suspension bracket structure, can make the brush automatically fall flat to the ground, while not scrubbing the brush plate, which is 60% more efficient than conventional roller, fuel saving of 40%, brush plate wear can be reduced by up to 70%, and can operate the solenoid valve to make roller brush have a corner function, equipped with snow-proof device snow guard, with double-sided support legs that can be landed to support when not in use, arc collision prevention guide structure, corrosion-resistant paint surface, through the center, round steel, diameter 240mm large main shaft, American polypropylene plate   65# wear-resistant manganese steel wire, brush plate wear can be adjusted by itself using the regulator to adjust the height of the roller, the steering angle can reach 30 degrees can turn left and right, patent product, super long quality assurance hydraulic parts guarantee 1 winter.