JINKE JK 930 integrated DTH drilling rig. Same crawler chassis and 5 inch hammer, but the screw air compressor sits on the machine. One unit arrives, one fuel tank to fill, no separate compressor to tow or hire. It is the build for sites where a second machine is a problem. One machine, no support compressor Onboard screw compressor. 20 m3/min at 2.4 MPa, matched to the JK 930 hammer, so air pressure holds steady however deep the hole runs. Self-contained unit. No separate
