... Product Description Introduction of the product: XY-6B is a Mechanical hydraulic vertical shaft coring drilling rig. It can be equipped with ... survey, geophysical exploration etc.Main parameter of XY6BDrilling capacityBQ2000mNQ1800mHQ1200mPQ800mPower head Rotary speed(rpm)Forward:80,175,225,260,360,490,730 ...