The DrillAll GEO from TEI Rockdrills is a limited access drill rig designed specifically for the installation of DX copper earth loops. The 67-HP Cummins diesel engine provides enough hydraulic pow- er to use rotary drill heads and drifters, as well as some of the new sonic heads. With an overall weight of 6,450 pounds, the machine offers 5,000 ft.-lbs. of rotary torque and a mast pullback of 8,000 pounds. Double hydraulic stamps and a misting pump come standard on this rig.

TEI Rockdrills, Card No. 166