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7800

7800

Easy Mobilization, Cushy Ride Home

in a

Powerful Truck Option

The 7800 is equipped with many of the features Geoprobe® customers are accustomed to, and with many new advantages.

Overview

MOVE FROM SITE TO SITE QUICKLY

High Capacity Direct Push Machine


7800

Move from site to site quickly with our truck mounted Geoprobe® Model 7800! It has a newly designed more ergonomically positioned control panel with an advanced integrated diagnostics system. It features an overhead mast and winch, our GH63 Percussion Hammer ( with an optional upgrade to the GH64 ), our GA4000 Auger Head, and ASTM Standard Automatic Drop Hammer System DH103. It is powered by a Kubota 4-Cylinder Turbo Diesel 58hp liquid cooled engine. The probe unit provides lateral extend and oscillatory movements and sits on a slide base frame rail system for easy fold-up. Give us a call for your free brochure (1-800-436-7762)!

Features, Options & Accessories

Some of the important features include:

  • A well-organized control panel with integrated display
  • 78 inch (1,981 mm) stroke allows use of 60 in. (1,524  mm) probe rods
  • Equipped with the GH63 Percussion Power Cell Technology Hammer
  • Two-speed probe cylinder
  • Mast oscillation allows easy alignment
  • Auxiliary hydraulic ports provide power for remote equipment
  • Optional Probe Features Such As:
    • GH64 Two Speed Percussion Power Cell Technology Hammer
    • GA4000 Auger Head
    • Overhead Mast & Winch
    • DH103 Auto Drop Hammer Attachment
    • 2L4 Moyno® Pump
    • Underbody Auger/Probe Rod Storage Racks
    • Rear Storage Compartments
    • Frame Mounted Rod Rack
    • Hydraulic Liner Extruder
    • Machine Vise & Mount
78 SERIES OPTIONS
  • Optional GH64 Hammer


     
  • Automatic Drop HammerDH103 Auto Drop Hammer
    (For track or truck models)

     
  • Rod Rack Drop Rack System
    Easily and efficiently move tooling and supplies commonly used in the field.  Foldout work tray. (For 7822DT)
     
  • Side Rod Rack
    (For track 7822DT)

     
  • Locking Side Rack
    (Can be used with 7800 or 7822DT)

     
  • GP50DR Pressure Washer Drop Rack System
    (For 7822DT)

     
  • Water Transport System
    25 gal capacity (41755) Mounts on 36610 Drop Rack or on truck flatbed.
     
  • Overhead Mast & Hydraulic Winch



     
  • Break Out Clamp System.  
    Quick connect hydraulics for quick installation and removal of the clamp.
  • GA4000 two-speed augerhead for track or truck models  OR  the GA4100 four speed auger head (not pictured).

     
  • GH64 Nitrogen Charge Kit


     
  • 7800 Rear Storage Compartments (x2)
    (7800 Only)

     
  • 7800 Underbody Auger/Probe Rod Storage Racks
    (7800 Only)
     
  • Hydraulic Liner Extruder & Flip-Up Work Table Extruder PN: 28723 (60 in. RAM) for track or truck Flip-Up Work Table PN: 43408 for track only
     
  • 2L4 Moyno® Pump for track or truck models


     
  • Heavy-Duty Bench Yoke Vise (FA310) and Drop Down Work Table (comes with 36610 Drop Rack) or can be purchased separately (43408) to mount directly on the side of the 7800 truck.
  • 78 Series Field Service Kit
    Hydraulic caps & plugs, electrical terminals,  and much more, geared to keep your machine in the field.

 

Specs

7800
Stroke 78 in. 1,982 mm
Weight (approximate) 8,250 lb 3,746 kg
Width 96 in. 2,438 mm
Length (folded) 133 in. 3,378 mm
Height (folded) 116 in. 2,946 mm
Height (unfolded) 184 in. 4,674 mm
Foot Travel 45 in. 1,143 mm
Extension 16 in. 406 mm
Lateral Movement (side-to-side) ± 7° from centerline
Oscillation ± 13° from vertical
Percussion Hammer
Hammer System GH63
Percussion Rate 32 Hz
Forward Torque 517 ft-lb 701 N•M
Reverse Torque 637 ft-lb 864 N•M
Rotation Speed 0 - 234 rpm
Power Cell Weight 90 lb 41 kg
Hydraulic Systems
Down Force 36,000 lb 150 kN
Retraction Force 48,000 lb 214 kN
Hydraulic Pressure (system) 4,000 psi 275 bar
Hydraulic Flow Rate (system) 40 gpm 151 Lpm
BP50 Power Unit
Engine (diesel) Kubota, 4-cylinder turbo, Tier 4i
Engine Power (rated) 58 hp 42 Kw
Fuel Capacity (diesel) 24 gal 90 L
Cooling System Liquid
Power Unit Weight 1,700 lb 772 kg
Power Unit Dimensions 42 in. L
30 in. W
30 in. H
1,067 mm L
762 mm W
762 mm H
Augerhead
GA4100 Augerhead, 4-Speed
High Torque 4,000 ft-lb 5,423 N•M
Low Torque 400 ft-lb 542 N•M
High Speed Rotation 0 - 750 rpm
Low Speed Rotation 0 - 75 rpm
Hex Adapter 1 - 5/8 in. 41 mm
GH4000 Augerhead, 2-Speed
High Torque 4,000 ft-lb 5,423 N•M
Low Torque 2,000 ft-lb 2,7111 N•M
High Speed Rotation 0 -150 rpm
Low Speed Rotation 0 -90 rpm
Hex Adapter 1 - 5/8 in. 41 mm
Hydraulic Winch
Winch Rating 2,500 lb 1,067 kg
Winch Speed 0 - 125 fpm 0 - 38 m/min
Cable Length 75 ft 23 m
7 in. Single Clamp Breakout
Clamp Opening 7 in. 178 mm
Clamp Range 1.25 - 6 in. 31.75 - 152 mm
Clamp Force 0 - 17,500 lbf 0 - 78 kN
Breakout Torque 6,000 ft-lbf 8,135 N•M
Weight 350 lb 159 kg

*Unit specifications are subject to change without notice.

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