Geoprobe 6620DT

Geoprobe - Model 6620DT

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The robust design of the GeoprobeŽ Model 6620DT direct push machine has head's turning every time its tracks touch ground! One reason is the completeness of the package. From auxiliary power sources, a workhorse hammer, and a well-planned work area to an impressive list of optional equipment that makes it easy to offer more services to your customers, the Model 6620DT is very attractive to customers and very productive.

Wider tracks and a heavy-duty undercarriage provide the foundation for the Model 6620DT's robust design. The stronger, wider undercarriage allows this direct push machine to be used on concrete or pavement, and enables the machine to readily negotiate in tight, confining work areas and on offroad, rugged terrain. The machine has 12-inch tracks. The overall width of the machine has increased from 48 inches to 60 inches which means the undercarriage can provide a more stable base for probing and drilling operations. The added strength of the undercarriage also means you can equip your machine for augering, add a winch to help with tool placement and tripping, or operate the DH66 Auto Drop SPT Hammer for geotechnical applications. It's uniquely flexible to switch from environmental to geotechnical work with little time and effort.

Top ground speed of the Model 6620DT was bumped to 4.5 mph, an increase of over 2 mph faster than the 6610DT. The overall ground speed of the 6620DT ranges from a crawl, for close maneuvering, to the 4.5 mph for field movement.

A two-speed pull cylinder on the Model 6620DT at low speed (full pulling power) will pull rods full stroke (66 inches) in eleven seconds. On high speed, the machine can cycle from bottom to top in less than 5 seconds.

Other features on the machine include a wireless remote control, onboard tool storage, and an easily accessible engine compartment for quick daily systems checks so you can focus your field time on field work and not maintenance.

Model 6620DT Features:

  • 66-inch (1676 mm) probe cylinder stroke allows use of 5-foot (1,5 m) probe rods
  • 21 ton (187 kN) pulling capacity for today's larger sampling tools and deeper depths
  • Equipped with the powerful GH60 Soil Probing Hammer, exclusively from Geoprobe® Systems
  • Wireless remote control
  • Built-in rotary spindle for concrete drilling, augering, and anchoring
  • Two-speed probe cylinder cycles from bottom to top in less than 5 seconds
  • Independently driven rubber tracks
  • Powered by a four-cylinder, 54 HP, liquid-cooled Kubota turbo diesel engine
  • Hydraulic movement in all three axes allows easy probe alignment with tool string
  • Auxiliary hydraulic ports provide power for remote equipment
  • Compatible with Geoprobe® brand Tooling and Logging Equipment

 
Specifications
6620DT
Stroke 1676mm
Weight 2767kg
Width 1524mm
Length (folded) 2438mm
Height (folded) 2260mm
Height (unfolded) 3886mm
Lateral Movement (side-to-side) 838mm
Foot Travel 991mm
Extension 381mm
Down Force 160 kN
Retraction Force 214 kN
Hydraulic Pressure 169 bar
Hydraulic Flow Rate 114 L/min
Hammer System GH60
Percussion Rate 32 Hz
Torque (hammer motor) 759Nm
Rotation Rate (hammer motor) 240 rpm (bi-directional)
Fuel Capacity (diesel) 57L
Engine (diesel) Kubota, 4-cylinder turbo
Engine Power 40 Kw
Outrigger Extension 406mm
Auger-Head Attachment
Torque (high/low speed) 4067 Nm
Torque (low/high speed) 2034 Nm
Hex Adapter 41mm
Rotation Speed
(low speed/high torque)
0-105 rpm
Rotation Speed
(high speed/low torque)
0-150 rpm
 

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