
SL400s Prices of Crawler Pneumatic Deep Borehole DTH Water Well Drilling Rig Machine for Sale. High Efficiency Drilling: Drilling efficiency reaches 10-35m/h with larger torque turntable and DTH hammer technology. Versatile Geological Adaptation: Suitable for rock, mud, sand layers, and unconsolidated formations using rotary, mud, or DTH methods. Superior Mobility: Excavator crawler chassis offers high off-road performance; can also be installed on trucks. Wide Drilling Range: Drill hole diameter 105-325mm with a maximum depth of 400m for various well types. Easy Maintenance Design: Unique bump design and centralized control system ensure easy operation and maintenance. OEM/ODM Customization: Accepts OEM orders and offers full/minor customization for designs, engine, and parameters. One-Year Warranty: Comprehensive 1-year warranty covers main unit with free replacement of damaged accessories. Professional Support: Dedicated team provides technical guidance, training, and optional engineer site visits.