1 Boart Longyear BK-66 HSA Drill Rig The BK-66 is a truck mounted drill rig capable of doing either environmental or geotechnical drilling. Hollow Stem Auger Capabilities • Soil boring to 175 ft. bgs • 2 inch and 3 inch wells to 175 ft. bgs • 4 inch wells to 125 ft. bgs Torque – 13,000 ft./lbs spindle torque Dimensions • Length – 28 ft. • Height (mast down) – 12 ft. • Height (mast up) – 31 ft. • Width – 8 ft.

This is the newest addition to Yellow Jacket Drilling. Check back soon for a photo of our newly painted rig!