Mobile B-57 Drill Rig * - Miami - Pump

Mobile Drill Assembly No. 625455 B-57 Master

The B57 is a mechanically driven drill rig with a manual transmission for big jobs. This drill has applications in geotechnical, environmental and mineral exploration. Easily handles hollow stem and continuous flight auger drilling, along with rotary and diamond core drilling. The B57 is sized for mounting on a variety of carriers to provide go-anywhere versatility and is powered either from a Cummins or Deutz Diesel deck mounted engine.  For more information or SERIOUS inquiry only: please call Rama at 305-525-2910.  Local pickup.

The B57 has a high speed range of 0-665 rpm [69.64 rad/s] and a low speed range of 0-82 rpm [8.59 rad/s]. With a feed stroke of 6 ft [1.83 m], the B57 develops a maximum torque of 10,896 ft-lbs [14,773 Nm].

Hydraulic Feed System

Pulldown force: 23,300 lbs [10,568.7 kg]
Retract force: 35,300 lbs [16,011.8 kg]
Feed speed, down: 61 ft/min [18.59 m/min]
Feed speed, retract: 40 ft/min [12.19 m/min]
Feed stroke: 6 ft [1.83 m]

Power Unit

Deck engines: Cummins, Deutz Diesel
Hydraulic Pumps
Primary pump: 24 gpm [90.85 l/min]
Auxiliary pump: 24 gpm [90.85 l/min]

Drill Head Rotary

Maximum rotary speed: High speed range 0–665 rpm
[69.64 rad/s] [3rd gear]
Maximum rotary speed: Low speed range 0–82 rpm
[8.59 rad/s] [1st gear]
Torque: 10,896 !"#$%& [14,7'( Nm]
6-speeds
Open bore: 4-3/4 in [120.65 mm]

Estimated Operating Capacities

Hollow stem augers, 4-1/4 in [108 mm] ID: 225 ft
[68.58 m]
Continuous flight auger, 6 in [152.4 mm] OD: 325 ft
[99.06 m]
Rotary drilling, 2-5/8 in [66.68 mm] OD drill pipe:
1,550 ft [472.4 m]
Diamond core drilling, NQ: 2,350 ft [716.28 m]

Note: Above drilling capacities may vary according to subsurface conditions.

Leveling Jacks

Single front/dual rear, 24 in [609.6 mm] or
36 in [914.4 mm] stroke

Hoist

Main—Single line capacity: 12,000 lbs [5,443.1 kg]
Line speed: 52 fpm [15.85 mpm]
Cable diameter: 5/8 in (.625) [15.88 mm]
Cable length: 100 ft [30.48 m] standard
Main—Single line capacity: 8,500 lbs [3,855.54 kg]
Line speed: 0–75 fpm [0–22.86 mpm]
0–325 fpm [0–99.06 mpm] reverse
Cable diameter: 1/2 in (.500) [12.7 mm]
Cable length: 100 ft [30.48 m] standard
Auxiliary—Single line capacity: 4,500 lbs [2)041.17 kg]
Line speed: 0–135 fpm [41.15 mpm]
Cable diameter: 5/16 in (.325) [8.26 mm]
Cable length: 100 ft [30.48 m] standard
Safe-T Driver—Single line capacity: 900 lbs [408.23 kg]
Line speed: variable up, freefall down
Cable diameter: 1/4 in (.250) [6.35 mm]
Cable length: 300 ft [91.44 m] standard
Wireline—Single line capacity: 1,200 lbs [544.3 kg]
Line speed: 0–500 fpm [0–152.4 mpm]
Cable diameter: 3/16 in (.185) [4.7 mm]
Cable length: 400 ft [121.92 m] standard
Winch capacity: 3,500 ft [1,066.8 m] cable

Weight
Minimum: 11,200 lbs [5,080.2 kg]