Wheeled excavator is an excavating machine with tires as a walking part, referred to as wheel excavator. The wheel digging has a fast walking speed, does not damage the road surface, can transfer by itself at a long distance and can quickly replace a variety of operating devices. The maximum traveling speed in foreign countries is mostly 25-40km/h, and most domestic ones are 20-35km/h. Jinggong's wheeled excavators can rotate 360° and adopt a special chassis for convenient operation.