Horizontal directional drilling machine, also called HDD machine or trenchless drilling rig, is an advanced underground construction machine widely used for pipeline installation without large-scale surface excavation. It is mainly used for laying water pipes, gas pipelines, fiber optic cables, power cables, and communication pipelines under roads, rivers, railways, buildings, and urban areas.
Compared with traditional open-cut excavation methods, horizontal directional drilling technology offers higher construction efficiency, lower environmental impact, reduced traffic disruption, and lower overall construction costs. YG horizontal directional drilling machines are widely used in municipal engineering, oil and gas projects, telecommunications, electric power construction, and water supply systems worldwide. If you want to know more about YG HDD machines, please contact us anytime.
YG Horizontal Directional Drilling Rig Parameter
| Model | YG-160A | YG-180 | YG-280 | YG-320 | YG-320A |
| Engine rated power | 100KW | 97KW | 160KW | 140KW/160KW | 160KW |
| Push and pull | Cylinder | Motor | Motor | Cylinder | Motor |
| Maximum drag/feed force | 160/100KN | 180/180KN | 280/280KN | 320/320KN | 320/320KN |
| The maximum torque of the powerhead | 5000N.n | 6000N.n | 10000N.n | 12000N.n | 12000N.n |
| Powerhead speed | 0-180r/min | 0-140r/min | 0-120r/min | 0-140r/min | 0-140r/min |
| Moving speed of powerhead | 30m/min | 20m/min | 20m/min | 20m/min | 20m/min |
| Maximum reaming hole diameter | Φ600mm | Φ600mm | Φ750mm | Φ800mm | Φ800mm |
| Drill rod length (single) | 3m | 3m | 3m | 3m | 3m |
| Drill pipe diameter | Φ60mm | Φ60mm | Φ73mm | Φ73mm | Φ73mm |
| Drill pipe diameter | 10-23° | 10-22° | 10-23° | 10-20° | 10-20° |
| Maximum mudflow | 160L/min | 250L/min | 320L/min | 320L/min | 320L/min |
| Maximum mud pressure | 100bar | 80bar | 80bar | 80bar | 80bar |
| Overall quality | 6700kg | 8500kg | 12500kg | 11500kg | 11200kg |
| Dimension(length*width*height) | 5700*1820*2400mm | 6400*2270*2340mm | 7100*2260*2450mm | 7100*2250*2450mm | 7100*2250*2550mm |
4 Core Components of a Portable Horizontal Drilling Machine
- Drilling Rig System: The drilling rig is the power core of the entire portable horizontal drilling machine. It provides both rotational torque and pushing/pulling force during drilling operations. Modern HDD rigs usually adopt advanced full hydraulic drive systems with stepless speed regulation, ensuring smoother, more stable, and more precise construction performance.
- Drill Rod System: The drill rod system is used to transmit torque and thrust from the drilling rig to the drill bit underground. It serves as the critical connection between the surface equipment and the underground drilling operation. High-strength drill rods improve drilling efficiency and ensure stable performance in different geological conditions.
- Guidance System: The guidance system allows operators to monitor the drill head position in real time through electromagnetic or wireless signals. This system ensures the drilling trajectory remains accurate and controllable, helping the portable horizontal drilling machine avoid underground obstacles and maintain precise pipeline installation.
- Mud Mixing & Pump System: The mud system plays a vital role in HDD construction. It provides multiple important functions, including cooling the drill bit, removing drilling cuttings, stabilizing the borehole wall, and reducing friction resistance during drilling. A reliable mud system greatly improves the working efficiency and construction stability of the portable horizontal drilling machine.
- Reamer: The reamer is used to enlarge the pilot hole to a suitable diameter for pipeline installation. Different reamer sizes can be selected according to pipe dimensions and soil conditions, ensuring smooth and efficient underground pipe laying.
6 Work Process of Horizontal Drilling Machine
- Project Survey and Route Design: Before construction, engineers first analyze soil conditions, underground obstacles, pipeline routes, and drilling depth. Based on the project requirements, a suitable drilling path is designed.
- Pilot Hole Drilling: The horizontal directional drilling machine starts drilling a pilot hole along the designed underground route. The drill rod rotates continuously while the drill bit moves forward through soil, clay, sand, or rock layers.
- Directional Control: The operator controls the drilling direction through an intelligent guidance system. The machine can accurately adjust the drilling angle and trajectory to avoid underground obstacles and ensure precise pipeline installation.
- Hole Enlargement: After the pilot hole is completed, a reamer is attached to enlarge the hole diameter gradually. Different reamer sizes can be selected according to pipeline diameter requirements.
- Pipeline Pullback: Once the hole reaches the required size, the pipeline is connected to the drill rod and pulled back through the underground hole smoothly.
- Completion and Inspection: After installation, engineers inspect the pipeline position, drilling quality, and underground alignment to ensure the project meets construction standards.
6 Key Features of the YG Horizontal Directional Drilling Machine
- Stable Hydraulic Power System: Ensures continuous and efficient drilling performance under complex construction conditions.
- Intelligent Navigation System: Improves drilling accuracy and reduces underground deviation.
- Compact and Flexible Structure: The machine can work efficiently in narrow urban construction spaces.
- High Torque Rotary System: Provides strong drilling power for hard soil and rock layers.
- Easy Transportation and Maintenance: The modular machine structure simplifies transportation and reduces maintenance difficulty.
- Energy-Saving Design: YG machines optimize fuel consumption and hydraulic efficiency, reducing operating costs.
6 Advantages of Horizontal Directional Drilling Machines
- Trenchless Construction Reduces Surface Damage: Traditional excavation methods often damage roads, landscapes, and traffic systems. Horizontal directional drilling technology avoids large-scale surface excavation, minimizing environmental impact and public disruption.
- High Construction Efficiency: YG horizontal directional drilling machines adopt advanced hydraulic systems and powerful drilling structures, allowing fast and continuous underground drilling operations.
- Suitable for Complex Construction Environments: The machine can work under highways, rivers, railways, urban streets, residential areas, and mountain regions. making it ideal for complex underground construction projects.
- Accurate Drilling Control: YG HDD machines use advanced navigation and positioning systems to ensure accurate drilling direction and depth control, reducing construction errors.
- Lower Overall Construction Costs: Although directional drilling equipment requires professional operation, trenchless construction reduces road repair costs, labor expenses, environmental restoration costs, and project delays.
- Environmentally Friendly Construction: Horizontal directional drilling minimizes dust, noise, soil disturbance, and waste generation, making it more environmentally friendly than traditional excavation methods.
6 Applications of Portable Horizontal Drilling Machines
- Water Supply Pipeline Installation: Widely used for underground water pipe installation in urban and rural infrastructure projects.
- Oil and Gas Pipeline Construction: Horizontal directional drilling is commonly used for long-distance oil and gas pipeline crossing projects.
- Power Cable Installation: The machine helps install underground electric cables safely without damaging existing roads or buildings.
- Fiber Optic and Communication Projects: Telecommunication companies use HDD machines for underground fiber optic cable laying in cities and remote areas.
- Municipal Infrastructure Construction: Suitable for urban drainage systems, sewage pipelines, and smart city underground utility projects.
- River and Railway Crossing Projects: The machine can complete underground crossing construction without interrupting river traffic or railway operations.
Why Are More Contractors Choosing Horizontal Directional Drilling Equipment
- Urban Construction Requirements Are Increasing: Modern cities require underground utility construction while minimizing traffic disruption and environmental impact.
- Faster Project Completion: Compared with open trench excavation, HDD construction can significantly shorten project schedules.
- Lower Restoration Costs: Traditional excavation requires expensive road and landscape restoration after construction. HDD technology avoids these additional expenses.
- Better Safety Performance: Trenchless construction reduces open excavation risks and improves overall construction safety.
- Strong Market Demand: Global demand for underground pipeline infrastructure continues to grow, especially in energy, telecommunications, and municipal engineering industries.
Why Choose YG Horizontal Directional Drilling Machine?
- Powerful Hydraulic System: YG adopts high-performance hydraulic systems that provide stable power output and efficient drilling performance in different soil conditions.
- Strong Drilling Capacity: The machine can handle Clay, Sand, Gravel, Mixed soil, Soft rock, and hard rock layers, meeting different project requirements.
- Intelligent Control System: YG HDD machines support intelligent operation and accurate drilling guidance, helping operators improve construction precision.
- Durable Machine Structure: The equipment uses reinforced steel structures and high-quality wear-resistant components suitable for long-term heavy-duty operation.
- Flexible Model Options: YG offers different HDD machine models suitable for:
- Small municipal projects
- Medium pipeline projects
- Large oil and gas engineering projects
- Complete After-Sales Service: YG provides
- Installation guidance
- Video training
- Technical support
- Spare parts supply
- Long-term after-sales service
5 FAQS about YG Horizontal Directional Drilling Machine
Q1. What is a horizontal directional drilling machine used for?
A: It is mainly used for trenchless underground pipeline and cable installation projects.
Q2. Can the machine work under roads and rivers?
A: Yes. HDD technology is specially designed for underground crossing construction without damaging surface structures.
Q3. What soil conditions can the machine handle?
A: YG HDD machines can work in clay, sand, gravel, mixed soil, and some rock formations.
Q4. Is HDD construction environmentally friendly?
A: Yes. Trenchless construction minimizes dust, noise, and surface damage, making it more eco-friendly.
Q5. Is the machine easy to operate?
A: YG machines adopt intelligent control systems that make operation easier after professional training.
Horizontal Directional Drilling Machine Price-Choose YG Machinery
YG horizontal directional drilling machines provide efficient, accurate, and environmentally friendly trenchless construction solutions for modern underground engineering projects. With stable performance, powerful drilling capability, and complete after-sales support, YG HDD machines are becoming increasingly popular in global infrastructure construction markets. If you are looking for a reliable horizontal directional drilling solution, welcome to contact YG anytime.
