... with capacity of 100m/nq capacity, suitable for soil testing, SPT testing Mini Crawler Drilling Rig.Suitabble for diamond core drilling, carbide ... , 91,110,130,150 mm2) Drilling depth: 150,100,70,50,30 m2. Rod Dia. 42 mm3. Drilling Angle 90° ~ 75 ... Diesel Engine 12.1 kw/2000 rpm mini crawler drilling machine for soil testing, SPT testing