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Kaijin Machinery

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    • Horizontal directional drilling rig
    • Water well drilling rig/drilling machine
    • Wheel-type pile driver
    • Air compressor
    ZGYX-821K Hydraulic Underground Tunnel Drilling Rig
    ZGYX-821K Hydraulic Underground Tunnel Drilling Rig
    ZGYX-821K Hydraulic Underground Tunnel Drilling Rig
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    • ZGYX-821K Hydraulic Underground Tunnel Drilling Rig
    • ZGYX-821K Hydraulic Underground Tunnel Drilling Rig
    • ZGYX-821K Hydraulic Underground Tunnel Drilling Rig

    ZGYX-821K Hydraulic Underground Tunnel Drilling Rig

    ZGYX-821K Hydraulic Underground Tunnel Drilling Rig for underground mining and tunnel construction. View key specifications, applications and configuration information.

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    MINING DRILLING MACHINES

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    sales1@hbkaijin.com

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    +86-15931172036

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    Product Details

    • Product Description

    • The ZGYX-821K is a hydraulic underground drilling rig designed for underground mining, small tunnel excavation and bolting-support projects. It supports a 32–51 mm hole diameter range, can pass through tunnel sections as small as 2.5 × 2.8 m, and has a machine weight of approximately 14,000 kg.

      • Hydraulic underground drilling platform
      • 32–51 mm hole range
      • Cummins B3.9CS4-C110 engine
      • 45 kW electric motor
      • Compact 2.5 × 2.8 m tunnel passage
      • 14,000 kg machine weight

      Underground mining; small tunnels; development drilling; support-hole drilling; confined underground headings.

      MAIN TECHNICAL SPECIFICATIONS
      Parameter Unit ZGYX-821K
      Engine   Cummins B3.9CS4-C110
      Diesel Engine Power kW 75
      Rated Engine Speed rpm 2400
      Electric Motor Power kW 45
      Voltage V 380
      Drill Rod Specification mm R32 × 2175 / 2375
      Drilling Depth mm 1915 / 2115
      Feed Beam Total Length mm 3450
      Hole Diameter mm Φ32–51
      Travel Speed km/h 4.5
      Gradeability ° 15
      Working Face Size mm 7500 × 7000
      Tunnel Pass-Through Size m 2.5 × 2.8
      Machine Weight kg 14000
      Overall Dimensions (L×W×H) mm 10500 × 1700 × 2634

    Product Center

    underground

    mm

    drilling

    times

    Product Q&A

    What working conditions are horizontal directional drilling rigs primarily used for?

    It is primarily used for trenchless installation of underground pipelines and is suitable for the construction of crossings for telecommunications, gas, and water supply and drainage pipelines.

    Can a horizontal directional drilling rig penetrate both soil and rock formations?

    Standard models are suitable for soil layers; for rock formations, a rock‑drilling attachment kit must be selected.

    What is the maximum drilling depth achievable by a water well drilling rig?

    Drilling depths vary by model; standard models cover 100–350 meters, with options available to suit specific requirements.

    Is the water well drilling rig hydraulically driven, and does it support a diesel engine as its power source?

    The entire machine is hydraulically driven and can be equipped with either a diesel engine or an electric motor as its power source.

    Is a drilling rig suitable for constructing rural drinking-water wells and engineering dewatering wells?

    Fully applicable and widely used for domestic drinking wells, agricultural irrigation wells, and construction dewatering wells.

    Is the wheeled pile driver easy to move, and does it require trailer transport?

    The wheeled chassis is self-propelled and can move under its own power over short distances; for long-distance transport, towing is recommended.

    ZGYX-821K Hydraulic Underground Tunnel Drilling Rig

    ZGYX-821K Hydraulic Underground Tunnel Drilling Rig for underground mining and tunnel construction. View key specifications, applications and configuration information.

    Email:

    sales1@hbkaijin.com

    WeChat:

    +86-15931172036

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