Product Introduction 1. Drills up to 100-200m deep, 75-500mm diameter. 2. Full hydraulic system and crawler mounted, easy to operate and move. 3. Drill on soil, sand, rock, quarry, marble and any hard ground. 4. Used to drill for water well, geological exploration, soil sample taking, SPT Test, etc. Main features 1. Hydraulic-control drill mast,can be raised and put down by hydraulic cylinders, which saves time and worker labor. 2. Rubber track, the weight is lighter and does not hurt urban road, suitable for projects in city. 3. Four hydraulic jacks, can lift the machine to mas height 1.3m, so that the machine can be loaded from truck compartment. Also they can be used for rig leveling and support at work. 4. 24V electric-start diesel engine reduces the operator's labor intensity. 5. Independent BW-160 mud pump , has bigger flow displacement and pressure, easy maintenance. 6. Optional installation of hydraulic twist tube machine(75-168mm)imporve work efficiency and reduce labor costs.