►The heavy-duty and self-propelled chassis: 8x6,10x8,12x8,14x8,14x12,16x12 and hydraulic steering system is utilized respectively, which ensures the drilling rig good drive performance, cross-country capability and lateral stability and credibility of every component.
►The reasonable assembly of the engine and the transmission box can ensure high driving efficiency and working reliability. Draw works and rotary table can be driven by electrical power.
►The main brake could be disc brake or band brake, and the auxiliary brake could be air brake-water cooling-thrust disc brake or water brake.