Product Name: 360 Degree Underground All Hydraulic Diamond Core Drilling Rig Model NO.: GP150-1 GP210 GP75 GP90-1 GP90-2 GP90-3 GP90-6 Drilling Way: Rotary Bit Type: Diamond Bit Drill Hole Depth: >300m Drill Hole Diameter: Aq Bq Hq Nq Pq Sq Motor: AC Motor Condition: New Certification: SGS, CE, ISO 9001:2000 Hydraulic Diamond Core Drilling Rig: 0-1200m Depth Name: Diamond Coring Drill Application: Surface and Underground Core Drilling Drilling Diameter: Aq Bq Nq Hq etc Trademark: Grandplan/Promise Transport Package: Standard International Packing Specification: AS PER YOUR REQUEST Origin: China Product Description We arethe leadingmanufacture and supplier for All Hydraulic Diamond Drill Rig, surface and underground core drilling. Electrical-Hydraulic type. easy operation and maintenance, high performance.Good price, top quality, Exellent Service.Please contact us for detailed information.GP90-3AllHydraulicDiamondCoreDrillingRigPerformanceandSpecificationsDrillingdepth(m)HoleDia.(mm)RodDia.(mm)MaterialofRod3809589Steel5007571Steel7005955.5SteelWorkingParameters(Duplexpumpstructure)Mainshaftrotationspeed(ratio2.2:1):≥1530rpm/≥960rpmMainshafttorque(ratio3.5:1):400rpm,3.5:1>900 Axlepushingforce:>62KNAxlepullingforce: >83KNHydraulicsystemworkingpressure:20MpaMax.Pressure:25MpaDrillingangle:0-360°Surfaceobliquity:30°-90°Driveheadstroke:1600mmMotorpower:75kwMotorrotation:1480rpmMainpumpratedpressure:31.5MpaAuxiliarypumpratedpressure:31.5MpaTotalweight:2000kg(mainbody:550kg+Powerunit:700kg+Operationpanel:132kg)Outerdimensions:Mainbody:2370×300×500mmPowerunit:1710×1100×1270mmOperationpanel:550×450×1150mm