Deep Borehole Drilling Machine
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77KW 280m Crawler Diesel Hydraulic Pneumatic DTH Water Well Drilling Machine
The SG-280J runs a 77KW diesel engine and DTH air hammer to 280m depth in hard rock (up to F16), with dual DTH/rotary modes and 130–250mm borehole diameter range for deep confined aquifer access and large-casing community water supply wells.









