... a rugged, self contained, self propelled, crawler mounted, diesel engine driven, hydraulically operated blast hole drill for drilling holes from ... , hydraulic pump drive, cooler, water injection/dust suppression system etc., mounted on a structural frame, on excavator type ... mpmFast feed rate27 mpmPull back capacity6818 kgf.ROTATION SYSTEM TypeHydraulic top head driveSpeed range0-100 rpmTorque Max28400 ...