MA-23 Rotary Drill Mast with SPT Autohammer

Rotary Drill and SPT Soil Investigation Autohammer Mast Trailer/Truck Mounted

Starting at


Financing Term
Monthly Payment
$ usd
Section 179
Tax Deduction?
$ usd

The MA-23 is a small, portable, and easy to use rotary drill rig with an SPT autohammer soil sampling system, which can be mounted on a small truck, on trailer or on rubber tracks.

The MA-23 comes with a single speed rotary drill head with 15 rpm, 110 ft lbs of torque, a standard SPT autohammer and a high-speed winch with 1,100 lbs of lift force for extremely fast rod extraction. The MA-23 also comes with a chain-driven mast with 2,300 lbs lift force.

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  • 23 hp (17 kW) - Kohler engine, gasoline, air-cooled
  • 9 gallons (34 liters) fuel tank
  • Electric starter

Hydraulic System

  • 10 GPM system
  • Max 3000 psi (206 bar)
  • Single stage pump for 10 GPM
  • Quick disconnect hydraulic connectors
  • Hydraulic filter

Mounting Options

  • Custom-made trailer with one axle, break lights, built-in rod rack and manual and hydraulic level outriggers
  • Truck mounted
  • Rubber track mounted


  • Chain driven mast
  • High speed winch with 1,100 lbs lift force and slip ring
  • High force extraction cylinders with 48,000 lbs lift force

Rotary Drill Head

  • Single speed rotary drill head
  • Max 15 rpm
  • Max 3,500 ft lbs of torque

SPT Autohammer System

  • 140lb (63.5 kg) automatic SPT hammer
  • 30" (76.2cm) drop height
  • Conforms to ASTM D-1586-11 for SPT sampling
  • Can be configured for DPL, DPH, DPSH sampling
  • Universal couplings for easy connection

Depth Capacity

  • 50 feet (15 meters) of depth


  • Sampler bench vise
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