The CME-50DD from Central Mine Equipment Co. offers a rack-and-pinion feed and retract system, dual range thrust and rotation, an on-board drilling fluid system and a pivoting operator’s station. Its augering pull-down staking system provides stability, and the on-board crane features a double-extension boom with a 400-pound to 3,200-pound lifting capacity. Tilt and slide controls enable drilling at angles from 0 degrees to 22 degrees. Drill pipe capacities reach a length of 10 feet and an outside diameter up to 31⁄2 inches. Central Mine Equipment Co.