The HDD drilling rig is a modern solution for trenchless underground construction, designed to install pipelines, cables, and utility lines without open excavation. The trenchless HDD crawler machine from YG Machinery delivers high thrust power, stable torque output, and precise directional control, making it suitable for complex urban and rural infrastructure projects.
YG Machinery focuses on providing professional drilling equipment for global contractors in pipeline installation, municipal engineering, and energy infrastructure. With increasing demand for non-disruptive construction methods, HDD technology has become a core solution for reducing surface damage and improving project efficiency.

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Product Specifications of HDD Drilling Rig
| Model | YG-160A | YG-180 | YG-280 | YG-320 | YG-320A |
|---|---|---|---|---|---|
| Engine Rated Power | 100 kW | 97 kW | 160 kW | 140–160 kW | 160 kW |
| Push & Pull System | Cylinder | Motor | Motor | Cylinder | Motor |
| Max Drag / Feed Force | 160 / 100 kN | 180 / 180 kN | 280 / 280 kN | 320 / 320 kN | 320 / 320 kN |
| Powerhead Max Torque | 5000 N·m | 6000 N·m | 10000 N·m | 12000 N·m | 12000 N·m |
| Powerhead Speed | 0–180 rpm | 0–140 rpm | 0–120 rpm | 0–140 rpm | 0–140 rpm |
| Powerhead Travel Speed | 30 m/min | 20 m/min | 20 m/min | 20 m/min | 20 m/min |
| Max Reaming Diameter | Φ600 mm | Φ600 mm | Φ750 mm | Φ800 mm | Φ800 mm |
| Drill Rod Length (Single) | 3 m | 3 m | 3 m | 3 m | 3 m |
| Drill Pipe Diameter | Φ60 mm | Φ60 mm | Φ73 mm | Φ73 mm | Φ73 mm |
| Drill Angle Range | 10°–23° | 10°–22° | 10°–23° | 10°–20° | 10°–20° |
| Max Mud Flow | 160 L/min | 250 L/min | 320 L/min | 320 L/min | 320 L/min |
| Max Mud Pressure | 100 bar | 80 bar | 80 bar | 80 bar | 80 bar |
| Total Weight | 6700 kg | 8500 kg | 12500 kg | 11500 kg | 11200 kg |
| Dimension (L×W×H) | 5700×1820×2400 mm | 6400×2270×2340 mm | 7100×2260×2450 mm | 7100×2250×2450 mm | 7662×2162×2450 mm |
Horizontal Directional Drill for Sale with Strong Engineering Performance
This model series offers multiple configurations to meet different project requirements, from small municipal jobs to large-scale pipeline installations.
Key Features & Specifications:
- Powerful & Efficient Engine: Equipped with a Cummins engine, delivering high efficiency, substantial power output, low fuel consumption, reduced noise levels, and strong construction performance.
- Intuitive Controls: Thrust, pullback, and rotation are operated via manual handles, enabling simple, responsive, and quick control.
- User-Friendly Design & Maintenance: Features a sleek, streamlined European-American style exterior with an elegant appearance. The body can be opened as a whole, providing easy access for flexible operation and routine daily maintenance.
- Compact & Lightweight: Its small size and low weight make it ideal for urban construction sites, as well as for easy transportation and operation across various job site conditions.
- Premium Drill Rod: Comes with a Vermeer-type drill rod, known for high quality, excellent reliability, and superior performance.
- High-Reliability Hydraulic Components: Major assembly parts are sourced from world-class international hydraulic component manufacturers, significantly enhancing overall product reliability and durability.
- Expandable Functionality (Optional Add-ons): Optional accessories—including an automatic grease injector, a rod-loading box, and a hydraulic anchor—further increase the rig’s versatility and broaden its range of applications.
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Application Scenarios of HDD Drilling Rig
The HDD drilling rig plays a critical role in modern trenchless construction projects that demand minimal surface excavation and precise underground installation. Its flexibility and directional control enable it to adapt to a wide range of engineering environments.
- Municipal pipeline installation
It is widely used for installing urban water supply and drainage pipelines. The system helps complete underground routing without breaking roads or disrupting daily traffic. - Natural gas and oil pipeline projects
The equipment supports long-distance directional drilling for energy transport lines, ensuring safe underground crossing of highways, rivers, and urban zones. - Fiber optic and telecom cable laying
It provides a stable solution for communication infrastructure, allowing fast installation of fiber networks in densely populated cities. - River, railway, and highway crossings
The machine enables underground passage beneath obstacles such as rivers, railways, and highways without surface damage or traffic interruption. - Industrial plant utility installation
Factories use it for laying underground power cables, water pipelines, and compressed air lines with high precision and minimal downtime. - Urban infrastructure redevelopment
It supports upgrading old underground utility systems in crowded city areas where open trench methods are not practical. - Environmental protection zones
The trenchless method reduces soil disruption, making it suitable for environmentally sensitive construction areas. - Remote and complex terrain projects
The crawler system and strong torque performance allow stable operation in hills, soft soil, and mixed geological conditions.
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HDD Drilling Rig for High-Precision Trenchless Construction Projects
The HDD drilling rig is engineered for accurate horizontal drilling across different soil and rock conditions. It supports long-distance pipeline installation while maintaining directional stability.
Key advantages include:
- High thrust and pullback force for deep underground work
- Stable torque output for directional accuracy
- Suitable for urban pipeline installation
- Reduced surface disruption during construction
- Strong adaptability in mixed geological conditions
Compared with traditional excavation methods, this system significantly reduces road damage, environmental impact, and project downtime. Contractors can complete underground installations without affecting traffic or existing infrastructure.
HDD Boring Machine for Controlled Underground Pipeline Installation
The system integrates advanced hydraulic and directional control technology to ensure smooth bore path creation in complex underground environments.
Key benefits:
- Precise drilling trajectory control
- High torque performance for stable boring
- Reduced risk of borehole deviation
- Efficient mud circulation system
- Suitable for long-distance pipeline installation
This configuration works across municipal water systems, gas pipelines, and fiber optic cable installations—delivering high accuracy with minimal surface excavation.

Trenchless Boring Machine for Modern Infrastructure Development
This equipment is designed to support non-excavation construction methods in crowded urban areas where traditional digging is not possible.
Key advantages:
- No open trench requirement
- Low environmental impact
- Reduced traffic disruption
- Fast setup and operation
- Suitable for dense urban environments
The trenchless system delivers safer, more efficient construction with lower labor costs—especially for underground utility installations beneath roads, railways, and buildings.
Technical Structure and Working Principle of HDD Drilling Rig
The HDD drilling rig operates through a controlled directional drilling system.
Main workflow:
- Drill rods are inserted into the ground at a controlled angle
- The hydraulic system generates thrust and rotational force
- The mud system stabilizes the borehole and removes cuttings
- Operator adjusts direction based on real-time feedback
- The pipeline or cable is pulled back through the completed bore path
This process ensures accurate underground installation without surface excavation. It also reduces environmental disruption and improves project efficiency.
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Why Contractors Choose YG Machinery HDD Equipment
YG Machinery is a trusted supplier of trenchless drilling equipment with global engineering experience. Each system is tested under real construction conditions before delivery.
Key advantages:
- Export experience in 100+ countries
- Stable hydraulic and torque systems
- Strong R&D engineering support
- Reliable spare parts supply chain
- Customized solutions for different projects
This ensures contractors receive equipment that performs reliably in demanding environments.
Contact YG Machinery today via WhatsApp, email, or the website form. Every machine includes a warranty and remote support.【WhatsApp/WeChat/Phone】+86 183 3715 2861




