D100×120 Series II Navigator HDD has 12,000 ft.-lb. of rotational torque and 100,000 pounds of pullback. An onboard pump provides 200-gpm mudflow. The operator's station swivels with a push of a button, and dual joysticks provide fingertip control for HDD functions. Drilling pressure gauges, flow meter, and a drilling fluid pump monitoring system are located between the operator and the bore path.