LST1G+HDA Soil Sampling Drill

The LST1G+HDA geotechnical rig addresses the growing need for automatic hammers for soil sampling applications. The automatic hammer’s design ensures precise, foolproof sampling depths as well as easy operation. The drill includes a hydraulic winch with 1,500 pounds of pull and features a planetary reduction gearbox with up to 1,100 foot-pounds of torque. This model comes standard with a 3,000-psi hydraulic system and A 25-horsepower Honda gas engine with EFI and electronic governor. A rotary speed of 100 rpm is achieved with a 12.5-gpm hydraulic power pack.

  • Drilling Depth: 100 ft (30.5 m)
  • Borehole Diameter: 6 in (15 cm)
  • Pull/Push Back Force: Up to 8,500 lbs (3,855.5 kg)
  • Soil Types: Sand, clay & soft rock formations
  • Applications: Soil testing, core sampling, geotechnical engineering, standard penetration testing (SPT) and well monitoring
  • Transport Options: Truck bed or trailer mounted

Package Includes

  • Honda iGX800 25-horsepower gas engine
  • Powerful 3,000-psi hydraulic system
  • Hydraulic lift cylinder to raise and lower the mast
  • Split spoon samplers
  • AWJ drilling rod
  • Can ship fully assembled in a 20-foot container or by truck

Augers & Bits:

  • 3- to 8-inch diameter D-series augers available in 3-, 4- or 5-foot lengths
  • Hollow stem auger in 6- or 8-inch diameter
  • Standard point and blade for soft soil, carbide blade for medium to hard soil, rock tooth auger for hardpan and weathered formations

Trailer Mounted Option

  • Single axle
  • 3,500-pound (1,591-kg) rated
  • Can be towed by ATV or truck
  • 4-by-5-foot open grating bed
  • Three leveling jacks
  • 2-inch ball coupler
  • Spare tire

Truck Mounted Option

  • Specially designed frame
  • Accessible grease points

Optional Components:

  • Interchangeable head



Soil Sampling Kit Included

Drilling Depth

Borehole Diameter

Dimensions LxWxH

Operating Weight

Auger Diameter

Auger Length

Pull/Push Back Force

Max Drilling Torque

Drilling Angle


Transport Options


Fuel Tank Capacity



Rotary Controls

Draw-works Controls

Hydraulic Power Source

Hydraulic Reservoir

Oil Cooler


100 ft (30.5 m)

6 in (15.2 cm)


3,000 lbs (1,360.8 kg)

3 - 8 in (7.6 - 20.3 cm)

3, 4 or 5 ft (.91, 1.22 or 1.52 m)

Up to 8,500 lbs (3,855.5 kg)

1,100 ft*lbs (1,491.4 N m) @ 2,800 psi

Vertical only

Heavy-duty welded steel

Truck bed or trailer mounted

Honda iGX800 25 hp (18.64 kW)

5 gal (18.9 L)

100 rpm @ 12.5 gpm (51.1 L/m)

1.25-in (3.18-cm) box connection standard, 1.13-in (2.85-cm) or 1.63-in (4.13-cm) in hex optional


4-way spring-centered valve, bypass flow control on push down, circuit provides adjustable weight on bit


5 gal (18.9 L)

Oil cooler with 10 in (24.4 cm) fan

All trailer-mounted drills can ship fully assembled in a 20-foot container or knocked down and palletized.