The B-51 is the next iteration of classic Mobile Drill power and versatility. Available 9,876 foot-pounds of torque, with track- or truck-mounted options, make it ideal for 100-125 foot hollow-stem auger market. Small-footprint mechanical drive unit perfect for geotechnical market. Power-shift transmission gives operator options to shift gears and even direction without stopping rotation. This gives operators a new level of control over drill string in stiff/sticky clays. Faster, safer production in the toughest conditions. Booth 2006.