... and reverse circulation drilling, we have designed XY-4-3 spindle type core drilling rig. It is ... increased, and we add a derrick, a self-traction device, as well as a auxiliary transmission gear box. ... geological. If the drill is equipped with a 22 kW of 30 kW, 6 poles electric ... clients request)Diesel engine2135type.30kW,1500r/minElectric motorY225S-4.37kW,1480r/minY200L2-6,22kW,980r/minDimensions ( ...