400m Cased Hole Grouting Drilling Crawler-Type Full-Hydraulic Borehole Top Drive Drilling Rig/Drilling Machinery/Water Well Drilling Machine

400m Cased Hole Grouting Drilling Crawler-Type Full-Hydraulic Borehole Top Drive Drilling Rig/Drilling Machinery/Water Well Drilling Machine. Deep Drilling Capability: Max drilling depth up to 400m with rotary and DTH hammer methods. Versatile Drilling Methods: Supports air DTH hammer drilling and mud drilling for various geological conditions. Hydraulic Control System: Hydraulic controlled main drive, landing legs, drilling tower, and auxiliary functions. Customizable Specifications: Custom configurations available for drilling depth, diameter, and torque upon request. Comprehensive Warranty: 12-month warranty covering the host with free replacement of defective parts. Drilling power: supports simultaneous drilling of air compressor and mud pump, dual-use of water and gas.