... Drill are spindle-type drilling machines. XY-4 CORE DRILL XY-4 Series Core Drill is hydraulic-feeding spindle-type ... D. 93mm96mm96mm Spindle Speed Forward39,66,109,134,180,222,87,160,230,270,334155,275,375,500 (rpm) 257 ... FRAME Retraction Stroke500mm450mm500mmPOWER UNIT(Optional) Electric Motor Y200L-4;30kW; 1470rpmY225L-4;37kW; 1480rpmY225S-4;30kW; 1480rpm Diesel Engine ZH4100G43;31kW; 1500rpmR4105G54 ...