North Houston Machine, Inc. (NHM)
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- NHM - Model MARK I-II-III - Top Head ...
NHM - Model MARK I-II-III -Top Head Drive Swivel for Small Hydraulic Rigs
The Economy Top Head Drive Swivel. A simplified design to adapt to small hydraulic rigs and offers an economical way to install a top head drive.
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Designed for:
- Auger Drilling
- Shot Hole Drilling
- Heat Pump Drilling
- Test Holes
- Soil Sampling
- Small Water Wells
- Monitor Well Drilling
NOTE: Wedgelock connections covered by N.H.M., Inc. U.S. and foreign patent NO. 5,409,324; 5,588,772; 187552; and patent pending
MARK I ROTARY HEAD DATA:
- Pull down capacity: 4,800 LBS
- Pull back capacity: 4,800 LBS
- Watercourse Standard: 1-3/16″ I.D.
- Working pressure: 750 P.S.I.
MARK II ROTARY HEAD DATA:
- Pull down capacity: 5,700 LBS
- Pull back capacity: 5,700 LBS
- Watercourse Standard: 1-3/16″ I.D.
- Working pressure: 750 P.S.I.
MARK III ROTARY HEAD DATA:
- Pull down capacity: 5,700 LBS
- Pull back capacity: 9,513 LBS
- Watercourse Standard: 1-3/16″ I.D.
- Working pressure: 750 P.S.I.
