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  • 8140LS Rotary Sonic Rig


    Powerful Mid-Size Rotary Sonic Rig

    Easily Handles

    10-ft. Tooling

    Full rotary capabilities combined with our patent-pending sonic head.



    Rotary Sonic Rig

    The Geoprobe® model 8140LS is a compact Roto-Sonic Drill Rig. It boasts of full rotary capabilities combined with our patented sonic head (a Geoprobe Systems® exclusive).

    The people behind the machine will bring you unmatched service and support. The 8140LS was proudly designed and built right here in Salina KS, USA.

    Give us a call to learn more!

    Why Geoprobe® Sonic?

    New Sonic Machines...New Sonic Tools...New Sonic Success!

    • Comprehensive Sonic Training
    • Full-size and Mid-size Rigs
    • Sonic Service Support
    • Continous Sonic Product Development
    • Sonic Tooling In Stock
    • Exclusive Sonic Dual Tube Tubing
    • SUCCESS!

    Features, Options & Accessories

    Geoprobe® GV4 Sonic Head

    • Designed, Manufactured & Supported by Geoprobe Systems®
    • Full Rotational Drilling Capabilities
    • Modular Head designed to simplify maintenance & repair
    • Head Tip Out 25 degrees
    • Oscillator Frequency 0-130 Hz
    • Patented Under US Patent No. 8,342,263

    Swing-Arm Control Panel w/ Advanced  Diagnostics System

    • Variable Location Control Panel per operator preference & Safety
    • Digital Display Screen w/ multi-function output
    • Electric over Hydraulic System
    • Advanced Warning display screens for operator & equipment safety
    • Variable Speed controls for drilling operations

    Proven 40 Chassis Design

    • Integrated Frame Rail System for optional features
    • Rear Stabilizer blade and drop rack tooling systems
    • Easy Engine Access for general maintenance & repair
    • Maneuvered w/ wireless or tethered remote systems
    • Two Auxiliary Hydraulic ports support optional accessories
    • Front Outriggers have 26” of travel (12” below tracks)
    • Rear Outriggers have 28” of travel (12” below tracks)

    Optional Features:

    • Side Storage Box
    • SPX40 Hose Pump
    • FMC Triplex Pump
    • Moyno 3L6 Pump
    • Rod Handling System
    • Hose Reel & Wand
    • Optional Rotational Safety

    Breakout System

    • Easily Unlocks Tool Joints
    • Holds Casing sizes 2 in. - 12 in.
    • Articulating Rod Holder

    Geoprobe® Sonic Tooling

    • 4x6 Sonic Tooling
    • 6x8 Sonic Tooling
    • 8x10 Sonic Tooling
    • SDT45 Sonic Sampling
    • SDT60 Sonic Sampling


      Standard Metric
    Weight (standard machine) 22,900 lb. 10 409 kg
    Width 84 in. 2 134 mm
    Length (folded) 298 in. 7 569 mm
    Length (unfolded) 197 in. 5 004 mm
    Height (folded) 118 in. 2 997 mm
    Height (unfolded - winch mast up) 285 in. 7 239 mm
    Extension (fore and aft) 11 in. 279.4 mm
    Lateral Swing N.A.
    Fuel Capacity (diesel) 40 gal 151 L
    Engine (diesel) CAT®, 4-cylinder turbocharged
    Engine Power (continuous) 120 hp 90 kW
    Surface Load Pressure (standard machine) 6.2 psi 43 kPa
    Hydraulic Oil Reservoir 55 gal 208 L
    Hydraulic Flow (max) 100 gpm 376 Lpm
    Hydraulic System Pressure (max) 4,000 psi 276 bar
    Auxiliary Hydraulic Outlets Flow 0 - 12 gpm 0 - 45 Lpm
    Auxiliary Hydraulic Outlet Pressure 3,000 psi 207 bar
    Winch Pull Back 2,000 lb 909 kg
    Winch Line Speed 0 - 110 fpm 0 - 40 mpm
    Ground Speed 1.5 mph 2.4 kph
    GV4 Sonic Head Specifications
      Standard Metric
    Vertical Travel (GV4 Sonic Head) 157 in. 3 988 mm
    Side Shift Travel (GV4 Sonic Head) 26 in. 660 mm
    Head Tip Out 25°
    Oscillator Freq 0-130 Hz
    Down Force 20,000 lbs
    Retraction Force 20,000 lbs
    Torque (high torque/low speed) 4,000 ft-lbs
    Torque (low torque/high speed) 2,500 ft-lbs
    Rotation speed (low speed/high torque) 80 rpm
    Rotation speed (high speed/low torque) 120 rpm
    Break Out System Specifications
      Standard Metric
    Clamp Force 0-21,000 lbs 0-93.4 kN
    Breakout Torque 13,500 ft-lb 18,300 Nm
    Casing Sizes 2-12 in. 50-305 mm
    Vertical Travel 9 in. 230 mm

    *Unit specifications are subject to change without notice.




    Overview & Features

    High-Speed Coring Head for Sonic
    Type: Features, Sonic

    Indexing Rack for 10-foot Sonic Tooling
    Type: Features, Sonic

    Geoprobe® Model 8140LS
    Type: Overview, Sonic

    81 Series (Sonic) Rod Handling System
    Type: Features, Sonic

    Sonic Rod Handler
    Type: Features, Sonic

    Geoprobe® Exclusive Quick Change Hook
    Type: Features, Sonic

    Tools & Equipment

    Sonic Center Rod Guide
    Type: Tooling, Sonic

    Geoprobe® Sonic Double Wall 4.5 in. (SDW45)
    Type: Tooling, Sampling, Sonic

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

    Sonic Weighted Wireline Sampling System
    Type: Tooling, Sonic


    No training videos are available for this machine. For a full list of available videos, click here.


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