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Mechanical

B57

The B-57 is a proven workhorse and a true standard of the geotechnical industry. Delivering 20,000 lbs of pulldown and 30,000 lbs of retract force, powered by a reliable 125 HP John Deere diesel engine, it’s built to handle demanding geotechnical and environmental applications with confidence, strength, and control.

The rotary system offers high torque or high speed configurations, producing up to 11,420 ft-lb to tackle everything from hollow stem and continuous flight augers to deep rotary and diamond core drilling. With heavy-duty hoists, hydraulic breakout systems, multiple winch options, and versatile mounting configurations, this time-tested machine is engineered to maximize productivity and deliver dependable performance.

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Specification
HYDRAULIC FEED SYSTEM

  • Pulldown force: 20,000 lbs [9,072 kg]

  • Retract force: 30,000 lbs [13,608 kg]

  • Feed speed, down: 62 ft/min [18.8 m/min]

  • Feed speed, retract: 41 ft/min [12.4 m/min]

  • Rapid: 80 ft/min [24.3 m/min] Feed stroke: 6 ft [1.83 m]

  • CPT equipped: 2 cm per second

POWER UNIT

  • Diesel Engine: John Deere 125 HP (93 kW)

    • Engines include: 12V starting circuit, electronic engine module installed in the operators control panel, 36 gallon (136 l) fuel tank with lock, lockable battery box

RIGHT ANGLE DRIVE

  • Single speed heavy duty right angle drive with tapered roller bearings and a ring gear and pinion

    • All bearings and gears are lubricated through an oil bath

  • 2 in. [50.8 mm] hardened output shaft with flex chain coupling to a 1-3/4 in. [44.5 mm] kelly bar

DRILL HEAD ROTARY

  • Total enclosed “dry box” with tapered roller bearings

  • 3-1/4 in. [82.6 mm] ID hollow spindle

  • HIGH TORQUE OPTION – 1st gear: 11,420 ft-lb [15,483 Nm] 6th gear: 672 rpm

  • HIGH SPEED OPTION – 1st gear: 8,000 ft-lb [10,846 Nm] 6th gear: 960 rpm

SPT AUTOMATIC HAMMER

  • ASTM D-1586 standards, standard duty and heavy duty

  • 140 lb [63.5 kg], 170 lb [77.1 kg], 300 lb [136.1 kg], 340 lb [154.2 kg] slugs available

HOISTS
MAIN

  • Single Line Capacity: 8,500 lbs [3,855.5 kg]

  • Line speed: 0–75 fpm [22.9 m/min]

  • Cable diameter: 1/2 in (.500) [12.7 mm]

  • Cable length: 100 ft [30.5 m]

AUXILIARY

  • Single Line Capacity: 4,500 lbs [2,041 kg]

  • Line speed: 0–135 fpm [41.2 m/min]

  • Cable diameter: 5/16 in (.325) [8.3 mm]

  • Cable length: 100 ft [30.5 m]

AUXILIARY

  • Single Line Capacity: 3,000 lbs [1,361 kg]

  • Line speed: 0–126 ft/min [38 m/min]

  • Cable diameter: 5/16 in (.325) [8.3 mm]

  • Cable length: 75 ft [22.9 m] standard

SAFE-T DRIVER

  • Single Line Capacity: 900 lbs [408.2 kg]

  • Line speed: variable up, freefall down

  • Cable diameter: 1/4 in (.250) [6.4 mm]

  • Cable length: 300 ft [91.4 m]

WIRELINE

  • A wide variety are available

  • Line capacities from 700 ft [213 m] to 7,500 ft [2,286 m]

WINCH

  • 15,000 lb [6,804 kg], 18,000 lb [8,165 kg], and 20,000 [9,072 kg] options available

ROD CLAMP & BREAKOUT WRENCH

  • Rod clamp, manual positioning: 1-5/8 in. through 8-1/4 in.

  • Rod clamp, hydraulic positioning: 1-3/8 in. through 5-7/8 in.

  • Breakout wrench, hydraulically actuated

LEVELING JACKS

  • Dual front and dual rear cylinders with a 36-in. stroke

WATER PUMP & TANKS

  • Piston, peristaltic, bean, and progressive cavity options

  • 100/150 gal [378/567 l] tank options available

STORAGE OPTIONS

  • Integrated 10-ft [3 m] rod rack/water tank

  • Double rod rack with 10-ft [3 m] & 5-ft [1.5 m] capacity

  • Front-loading auger rack

  • Integrated double metal toolbox

OPTIONAL EQUIPMENT

  • Drive-tool quick-change adapters

  • Hydraulic chuck: various sizes

  • Double unit aluminum toolboxes

  • Fold-down work table

  • Auxiliary circuit with QD’s

  • Night lights

  • Cable holders

  • Extruder

  • DC-to-AC inverter

  • Skid plates

  • Safety cage options

MOUNTING OPTIONS

  • Truck

  • Track Carrier

ESTIMATED OPERATING CAPACITIES

  • Hollow stem augers, 4-1/4 in [108 mm] ID: 250 ft [76 m]

  • Continuous flight auger, 6 in [152.4 mm] OD: 300 ft [91 m]

  • Rotary drilling, NWJ/NW drill rod with 5 in [127 mm] OD bit: 1,500 ft [457 m]

  • Diamond core drilling: N wireline: 1,600 ft [487 m] H wireline: 1,100 ft [335 m] P wireline: 730 ft [222 m]