The 13,000-lb., Mustang 4-F1 down-the-hole, track-mounted rig is suited for applications ranging from geothermal and geotechnical drilling to all types of construction, including foundation drilling. The unit can drill down to 490 ft. with 5- to 6-in. down-the-hole equipment. Its DHR 48H rotation units offer speeds up to 125 rpm and torque up to 4,200 ft.-lbs. for optimal penetration. A lifting device offers a 26,500-lb. capacity and a variety of jaws to handle most common casings used in geothermal applications. A quiet-running compressor provides 350 psi and 700 cfm of air.