The Geoprobe 8150 Sonic Track Rig is fully equipped and capable of tackling any geotechnical or environmental drilling project. Whether in consolidated materials, glacial till, or backfill rubble, quickly complete complex holes to greater depths with the powerful GV5 50K sonic head. The 50,000-pound dynamic force has the power to advance up to 12-inch tooling. And with 4,000 ft-lbf at 90 rpm, the 2-speed rotary drive has the torque needed to maintain rotation in tight formations. With two Geoprobe sonic rigs in our fleet, we are ready to schedule your next project.