Rama Mining Tools Wagon Drill comes in 2 variants. 1) Top Hammer version: Drilling up to 20 - 40 meter depth with hole dia of 45 - 75 mm. (With RMT 120F | BBC 120F Pneumatic Drifter) 2) DTH Hammer version: Drilling depth of 40 meters with hole dia of 85 to 130 mm. A vertically mounted pneumatic hammer drill and percussive-type rock drill supported on a three-wheeled wagon. Rama Mining Tools Wagon Drill is powered by pneumatic traction motors. Skid steering allows the unit to turn within a diameter equal to its wheelbase and maneuver easily into place. The drill table is lowered for tramming and is brought back up to a vertical position for drilling by a hydraulic manual jack. Two jack bars hold the drill feed in place during drilling operations.