One of Mobile’s best selling rigs, the B57 delivers 20-30% more power than other drills in its class. It includes a 14” double disc clutch, a single speed right angle drive, a redesigned transmission, & rotary box. The B57 is available in high torque (11,420 ft-lbs) & high speed (960 RPMs) configurations. MDI also manufactures and supplies a complete line of core tooling, augers, cutterheads & bits for the B57 and our line of drill