big borewell machine

ST-300 pneumatic drilling rig reaches 300m depth with 140-300mm hole diameter. ISO-certified, handles rock/mud/sand formations using DTH or mud drilling. Features 24T lifting power, 8500-11000N.m torque, and excavator crawler chassis for rugged terrain.

ST260 crawler-mounted air drilling rig drills to 260m depth with 75-450mm hole diameters. Features high-efficiency hydraulic top drive, 24T lifting power, and crawler chassis for rough terrain. Includes 1-year warranty and OEM customization.

Hydraulic 400m drilling depth air DTH drilling rig for water well drilling. Features full hydraulic control, high efficiency, and works in different formations with diameters up to Φ350mm. Includes video technical support.

Crawler Type Air Drilling Rig 350m depth for hard rock. Features steel crawler chassis, 350m drilling depth, 105-350mm hole diameters, and powerful hydraulic rock drills. Suitable for hydrology wells, coalbed methane, geothermal applications. Custom OEM options available with 1-year warranty.

ST-260 hydraulic air drilling rig delivers 260m depth with 75mm-450mm bore capacity. Features crawler chassis for rough terrain, multi-functional DTH/mud drilling, and ISO/CE/SGS certifications. Custom OEM options available with 1-year warranty.

Crawler Base Civil Engineering Core Sampling and Water Well Borehole Drilling Machine Crawler Track Undercarriage Product Description The chassis comes with four high-strength threaded legs(or Hydraulic high leg)the threaded legs install rate and adjust is fast and convenient, can be used for work ...

ST180 rubber crawler pneumatic drilling rig: 180m depth, 105-180mm diameter, 4.5T weight. Features Guangxi Yuchai diesel engine, patented composite boom, durable excavator chassis, and dust reduction system. Ideal for irrigation with low noise and road protection.

ST180 Pneumatic Drilling Rig: Lightweight, high-efficiency equipment drilling up to 180m depth. Features hydraulic automatic feeding, large torque, compact structure for easy transport. Ideal for water wells, irrigation, and geothermal holes in mountainous/rocky areas.

GK-200 wear-resistant compact hydraulic crawler drilling rig for mountain site work. Features diesel engine, 200m max depth, 75-300mm hole diameter, hydraulic control system, and overseas engineer support. Ideal for water well drilling and geological exploration.