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BK 81
The BK-81 is equipped with a customized Mobile-style free fall winch and hammer system and sand line for soil and water sampling. 24,000-pounds/foot torque package, allowing for well depths of 250 to 300 feet. This rig is equipped with a 500-gallon water tank.
4 speed transmission forward and backward
30,000 lbs pulldown force
24,000 foot lbs of rotary torque
50,000 pounds retractable force
Rotary speed of 500 RPM
Hydraulic jacks with 3 ft ground clearance
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