... Core Drilling Rig, which is one kind of full hydraulic drive power head model drilling rig, can be applied for small diamond drilling of ... and natural gas field, for grouting work of the dam, for drain hole drilling in the tunnel or sap, etc.Technical ... ..... 75kw / 2200rpm 6. Total weight of the rig.... 6500kg 7. Mud Pump (Optional) ... BW-150 8. Chassis of Drilling Rig: Skid / Trailer / Crawler ...