Overview: To adopt special chassis to realize front-wheel steering (standard), four-wheel steering and crab line. It is driven by closed static hydraulic system, which is mainly composed of driving wheel, non-independent steering system, frame and electric control system. The power source of the hydraulic system is the engine, and the load sensitive hydraulic system is adopted in the on-board operation, including the main arm variable amplitude cylinder, telescopic cylinder, and the arm head active leveling cylinder. FEATURES AT A GLANCE COMPACT DIMENSIONS