CGR-174 Drill Rig

Micropile Installation & Rotary Drill

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The CGR-174 is a powerful drill rig for compaction grouting and rotary drilling. It features a 74hp tier 4 compliant, turbo charged diesel engine and a 60 rpm hydraulic power unit.

Designed to be extremely mobile for tight spaces, the CGR-174 can drill more than 2,000 feet of micropiles per day. Optional dual collapsible mast allows drilling operations under the lowest eaves and overhead obstacles.

The CGR-174 drill rig, has a compact and incredibly powerful 4-speed gearbox drill head with a built-in wet swivel and chain-driven mast with V-Rollers.

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  • 74 hp (62.5 kW), Yanmar tier 4 compliant, turbo charged diesel engine
  • Water cooled
  • 12 V electric start
  • 2400 rpm
  • Direct injection
  • Emergency stop button
  • Rpm gauge
  • Oil pressure gauge
  • Oil level light

Hydraulic System

  • Hawe hydraulics power unit
  • 50 gpm (189 lpm) max combined hydraulic flow
  • Max 3000 psi (206 bar)
  • Load sensing variable displacement axial piston pump
  • Feather touch controls
  • Oil cooler
  • In-tank oil filter

Track System

  • Stationary track system (260 mm wide 1676 mm long - 10.2” wide 66” long)
  • NACHI 3B track motor with automatic brake system
  • Built-in grease filled tensioning arm and spring


  • Chain driven mast
  • V-Rollers
  • Tilt for travel
  • Standard mast 5 ft (1.5 m) stroke
  • Side pivot (20°) option
  • Two stage mast for lower clearance drilling option

Pipe Clamp

  • Single pipe/rod bottom clamp
  • Size capability from 1.5” to 6” (Other sizes available)

Leveling Outriggers

  • 4 hydraulic level outriggers with independent cont...

Drill Motor - Rotary Gearbox ML-500

  • Gear 1: 562 rpm at 573 ft lbs (776 Nm) torque
  • Gear 2: 281 rpm at 1145 ft lbs (1552 Nm) torque
  • Gear 3: 70 rpm at 4580 ft lbs (6209 Nm) torque
  • Gear 4: 35 rpm at 9161 ft lbs (12420 Nm) torque
  • Built in heavy duty wet swivel (see below)

Heavy Duty Wet Swivel

  • Top intake
  • Three quick-change connectors (AWJ, AW, BW, BWL, NW, NWL, HW, HWL, PW, PWL) others available
  • Automatic spring floating system

Mud Pump

  • Moyno 3L6 (or equivalent) continuous flow stator / rotor style mud pump
  • Up to 225 psi (15.5 bar)
  • 50 gpm flow (189 lpm)
  • Independent hydraulic motor
  • Quick coupling
  • Mounted on drill rig frame

Fuel Tank

  • 13 gallon (50 liters) fuel tank with fuel sending sensor

Hydraulic Oil Tank

  • 40 gallon (151 liters) hydraulic oil tank with built in site level glass

Depth Capacity

  • 500-900 feet of depth


  • Full function remote control for all drilling operations
  • Dual pipe clamp with breakout
  • 2 stage mast
  • Expandable tracks from 35" to 45"
  • Side pivot (20°)
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