Built tough, these drills have reliable components, sturdy frames, robust booms and feeds that contribute to outstanding availability. The drills are designed to be easy to service with conveniences such as ground level access to all major service points and well-organized electrical and hydraulic arrangements. To help you achieve greater productivity, MD5125 track drills features the HPR5128 Rock Drill at 28 kW (37 hp) which is renowned for its field serviceability and drills hole sizes up to 152 mm (6 in) with depths to 30 m (98.5 ft.). Easy maintenance and a long life cycle is yours with high quality Cat Drills and reliable customer support.