TR25 Compact Full Hydraulic Anchor Drilling Rig for Small Tunnel and Confined Space Construction

  • Hole Range

    60–210mm

  • Hole Depth

    25m

  • Recommend Chassis Type

    • Crawler

      Crawler

    • Trailer

      Trailer

    • Skid

      Skid

  • The TR25 is a compact full hydraulic anchor drilling rig specially designed for anchor borehole drilling in small tunnels and confined working spaces. With a compact structure, articulated system, and rotating table design, the rig supports multi-position and multi-angle drilling operations. Equipped with a rotary–percussive hydraulic drifter and powered by a Cummins diesel engine, the TR25 delivers stable torque output and reliable performance. Its crawler base, flexible operation, and compact dimensions make it suitable for anchoring construction where space is limited.

    Functions and Features
    Main Components
    • Multi-Angle and Multi-Position Drilling Articulation system combined with rotating tables supports flexible drilling angles and positions.
    • Compact Design for Confined Spaces Optimized compact structure enables efficient operation in small tunnels and narrow construction environments.

    Product Description

    The TR25 Compact Full Hydraulic Anchor Drilling Rig is specially designed for drilling anchor boreholes in small tunnels and confined construction spaces. Its compact and articulated design, combined with a rotating table, allows multi-angle and multi-position drilling, making it highly adaptable for complex and restricted sites. Powered by a Cummins diesel engine and equipped with a rotary–percussive hydraulic drifter, the rig delivers stable torque output and consistent performance for a variety of anchoring applications.

    Built on a crawler chassis, the TR25 provides excellent stability, maneuverability, and positioning on uneven terrain. The energy-efficient hydraulic system ensures reliable power with reduced energy consumption, while the flexible operation and compact dimensions make it ideal for small tunnel construction, civil engineering, mining, and quarry projects. Optional configurations include adjustable clamp sizes, rotary and percussive drilling modes, and custom hydraulic, mast, and feed system setups to meet specific project requirements.

    01

    Compact & Flexible:

    Optimized for small tunnels and confined spaces with multi-angle, multi-position drilling capability.

    02

    Powerful Performance:

    Up to 11,000 N·m torque output with rotary–percussive drilling modes for reliable anchoring.

    03

    Energy-Efficient Hydraulic System:

    Balanced hydraulic design reduces power consumption while maintaining stable operation.

    04

    Crawler Mobility:

    Stable movement and positioning on uneven or restricted job sites for safe and precise drilling.

    Product Specifications

    Specification Unit TR25
    General
    Hole Diameter mm 21-41
    Rod Diameter mm 19, 22 or 25
    Hammer Power KW 5
    Propulsion Power KW 48
    Impact Energy J 0.8 m³/min - 8 bar
    Equipment Weight kg 3950
    Drilling System
    Hammer Model   430X
    Rod Tail Size   Hex 19-108 / Hex 22-108 / Hex 25-108
    Working Pressure MPa 10-16
    Impact Frequency Hz 90
    Impact Power KW 5
    Maximum Torque N.m 194
    Rod Lubrication   Air
    Mast Parameters
    Chain Model   12A
    Mast Length mm 4700
    Mast Tilt Angle ° 110
    Single Stroke mm 3550
    Downward Thrust kN 3.7
    Swing Angle ° ±47
    Front Swing Arm   Semi-automatic
    Maximum Rod Length mm 4000
    Support Arm
    Model   JT 120HD
    Length mm 3800
    Swing Angle ° ±45
    Drilling Area 10
    Hydraulic System
    Hydraulic Type   Constant power system
    Filtration Precision μm 10
    Cooling Capacity ° 50
    Hydraulic Oil Tank L 85
    Lubrication Model   Q1U-20
    Power System
    Engine Model   YC4FA65-T300
    Number of Pistons pcs 4
    Engine Power KW 48
    Hourly Fuel Consumption L/h 5-6
    Air Displacement m³/min 0.8
    Air Pressure bar 8
    Air Compressor Model   ERY504HS
    Fuel Tank L 70
    Control System
    Rock Drilling Software System   Contrast system
    Rock Drilling Control   Wireless remote control
    Walking Control   Wireless remote control
    Dust Collection System
    Model   RDC-65
    Filter Area 5.7
    Motor Power kW 3
    Weight kg 163
    Walking System
    Model   4 rubber wheel drive
    Ground Clearance mm 230
    Traction Force kN 15
    Number of Wheels pcs 4
    Maximum Walking Speed Km/h 7
    Parament
    Hammer Head 430X
    Chain 12A
    Support Arm JT 120HD
    Chassis On the frame
    Walking Rubber 4 pcs
    Walking System Diesel Engine
    Control System Wireless remote control
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    OEM Customization

    Drilling Diameter

    Depth

    Power Type

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