... for sampling. NQ:500m BQ:600m YDX-600 Core Drilling Rig, which is one kind of full hydraulic drive power ... field, for grouting work of the dam, for drain hole drilling in the tunnel or sap, etc.Technical Specification.1. Working ... .... 6500kg 7. Mud Pump (Optional) ... BW-150 8. Chassis of Drilling Rig: Skid / Trailer / Crawler Mounted (According to customers requests)