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  • 54LT


    Limited Access Machine

    that fits through

    Standard 36-in. Doorways

    A rugged and compact probing unit.




    The Geoprobe® Model 54LT direct push machine is a rugged, compact probing unit designed for tight spaces and rough terrain. This unit is narrow enough to fit through standard 36-in. doors to get to confined, enclosed places a vehicle-mounted unit can't get to.



    ASTM and International Standards require that CPT tools be pushed at a rate of 2 cm/second with very little variance allowed. The Model 54LT machine features a Probe Cylinder Speed Control Valve which makes it easy to push at this consistent speed even without a steady hand. Not only will this increase the accuracy of your test while probing, it allows you to pay more attention to your real-time CPT log as you go.

    Features, Options & Accessories

    • Supplies 25,000 pounds (111kN) of pull
    • Hydraulic lateral swing for easy offset placement of probe
    • Rod Grip Pull Block. . .standard equipment
    • Two-speed pull cylinder. . .standard equipment
    • Probe cylinder speed control valve for easy and accurate CPT testing
    • Wire remote for ease of maneuverability
    • Compact size allows entry through standard 36-in. door
    • Emergency stop systems for safety of operation
    • Auxiliary hydraulic ports provide power supply for remote equipment
    • Rear outriggers for stability
    • Fuel capacity for a full day of operation under normal conditions
    • Powered by 22 Hp, liquid-cooled Kubota industrial engine
    • Compatible with most Geoprobe® Tooling and Logging Equipment


      Standard Metric
    Stroke 54 in. 1,372 mm
    Weight 2,500 lbs. 1135 Kg
    Width 34.5 in. 876 mm
    Length (folded) 87 in. 2210 mm
    Height (folded) 64 in. 1626 mm
    Height (unfolded) 123 in. 3124 mm
    Lateral Movement (side-to-side) 9 in. 229 mm
    Foot Travel 14 in. 356 mm
    Probe Cylinder Diameter 4 in. 102 mm
    Down Force 20,000 lbs. 80 kN
    Retraction Force 27,000 lbs. 111 kN
    Hydraulic Pressure (max) 2,200 psi 152 bar
    Hydraulic Flow Rate (system) 10 gpm 38 Lpm
    Hammer System GH42 GH42
    Percussion Rate 30 Hz 30 Hz
    Torque (hammer motor) 620 ft. lbs. 841 Nm
    Rotation Rate (bi-directional) 80 rpm 80 rpm
    Fuel Capacity (diesel) 8 gal. 30 L
    Engine (diesel) Kubota, 3 cylinder
    Engine Power 22 Hp 16 Kw
    Cooling System Liquid Liquid
    Outrigger Extension 12 in. 305 mm

    54LT Lateral Swing

    *Unit specifications are subject to change without notice.




    Overview & Features

    Geoprobe® Model 54LT
    Type: Overview

    Geoprobe® 54LT Safety Cage
    Type: Features

    Tools & Equipment

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


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


    Geoprobe Machine Lineup
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