Sonic Drill Corporation’s SDC-390 is a tough, powerful, rubber-track-mounted sonic drill rig that provides 225 horsepower of drilling performance.  Utilizing a full-sized Sonicor 50K drill head, the company touts its dependability and strength to take on most challenging projects.  With 14 feet of drill head travel and a 90-degree tilt, it is designed to allow the flexibility needed to work in difficult sites. Options include manual and automated rod handling.