Product Name: Dfq-400A Pneumatic Hard Stone Drilling Rig for Sale Model NO.: DFQ-400A Drilling Way: Rotary Bit Type: DTH Bit Drill Hole Depth: >200m Drill Hole Diameter: >300mm Motor: Cummins Diesel Engine Condition: New Certification: CE Application: Water Well, Blast Hole, Geothermal Hole, etc Color: Customized Drilling Type: DTH Hammer Drilling Depth: 400m Drilling Diameter: 115~305mm Power: 84kw Weight: 6500kg Stratum: Gravel, Soil, Sand, Hard Rock etc Usage: Blast Hole, Geothermal Hole, Water Well Power Type: Diesel Type: Pnuematic Trademark: DEFY Transport Package: Well Protected Container Specification: 5400*2100*2300 mm Origin: Henan, China Product Description DFQ-400A Pneumatic hard stone drilling rig for saleProduct DescriptionDFQ-400A hard stone drilling rig is a portable, efficient and multifunction crawler mounted drilling rig. It is mainly used in drilling water well, monitoring wells, geothermal projects and other deep holes, especially suitable for the high efficiency required concentrated geothermal projects working.This machine can drill in various ground conditions with air compressor and DTH hammer drilling . It used full hydraulic controlling for drill tower lifting, drill rod installing and uninstalling, rotary and feeding, standing legs, hoist and moving, greatly reduce labor cost, improving working efficient and project quality.Air CompressorDrill WorksiteDeliveryParameterItemParameterDrilling caliberφ115-305Max. drilling depth400mDiameter of drill pipeΦ76/89Unit Length of drill pipe3000mmWork pressure1.2-2.5 MPaGas consumption16-34 m³/minImpacterDHD360380Diesel engine84Kw/2200rpmElectric motor55Kw/1480rpmGradeability20°Walking speed0~2.2 Km/hGround clearance265mmLeg cylinder stroke800 mm(1500mm)System pressure20MPaPropulsion7.5 tonfLifting force13 tonfFast lift16m/minFast propel30m/minHydraulic winch lift1000kgRotary torque5000-6000 N.mSpeed of spindleFast 70-120 rpmSlow 0-65 rpmWeight6500 KgDimension5400*2100*2300 mmCompanyServices1.Professional techinical support pre-sale, sale and after-sale .2.Your problems can get feedback in 8 hours and soloved in 24 hours.3.Machine can be customized as per your requirement.4.One year quality warranty.5.Training: operation manual and DVD operation video, overseas installation is also available.6.Spare parts are available in our factory at cost price for former customers.Contact