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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.

    Literature

    Gallery

    Videos

    Overview & Features



    78 Series Winch Options
    Type: Features


    Geoprobe® Model 7800
    Type: Overview


    Geoprobe® Exclusive Quick Change Hook
    Type: Features, Sonic

    Tools & Equipment



    Geoprobe® 3.75-inch Tooling System
    Type: Tooling


    OIP Overview
    Type: Direct Image®


    Geoprobe® 2.25 in. Spring Assisted Swivel Pull Cap
    Type: Tooling, Sonic


    Geoprobe® Hydraulic Liner Extruder
    Type: Tooling

    Support



    Hammer Charge Procedure
    Type: Maintenance Minutes

    Articles

    Geoprobe Machine Lineup
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