... Core Drill are spindle-type drilling machines. XY-4 CORE DRILL XY-4 Series Core Drill is hydraulic-feeding spindle-type drilling ... for drilling medium water well and construction pile hole.Specifications XY-44HXY-1000XU-1000DRILLING CAPACITY Core Drilling Φ50 Drilling Rod1200m1000m900m Φ60 ... . 93mm96mm96mm Spindle Speed Forward39,66,109,134,180,222,87,160,230,270,334155,275,375,500 (rpm) 257,316,371 ...