Jinke JK830 Crawler Water Well Drilling Rig Water well drilling is a different job from quarry work - you are chasing water, not breaking benches. The JK830 handles it with DTH or rotary drilling up to 100m depth, and because it is crawler mounted, it walks into village yards and rough sites where a truck rig cannot go. Main Features DTH and rotary drilling modes for different ground conditions 100m drilling depth with standard 3m drill pipes Crawler mounting - no truck or