... with capacity of 100m/nq capacity, suitable for soil testing, SPT testing Mini Crawler Drilling Rig.Suitabble for diamond core drilling, ... drilling, small water well drilling, hydro exploration drilling.Drilling Capacity 1) Hole diameter 75, 91,110,130,150 mm2) Drilling ... ml/r4) Rated speed: 1500 rpm7. Power Diesel Engine 12.1 kw/2000 rpm mini crawler drilling machine for soil testing, SPT testing