

Widely applied in municipal, energy, and pipeline engineering, HDD rig machines are essential for trenchless operations. Their prices range from tens of thousands to tens of millions of yuan, a huge difference. Many buyers wonder: why is there such a significant price difference for the HDD rig machine? The core reason lies in five key factors that directly determine the equipment’s pricing and cost, which we will break down in detail below.
HDD Rig Machine Technical 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 |
| Moving speed of the powerhead | 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 |
Core Performance Parameters: The Foundation of Pricing
Core parameters are the core basis for pricing HDD rig machines, directly determining the equipment’s construction capabilities and applicable scenarios. Different parameters result in vastly different prices.
- Pullback Force (Traction Force): The most critical indicator, measured in kN (kilonewtons) or tons. Small HDD rig machines (e.g., 5-20 tons) are suitable for small pipelines within 150 meters with a pipe diameter ≤160mm, priced at 100,000-500,000 RMB; medium-sized HDD rig machines (30-80 tons) are suitable for projects with pipe diameters within 300 meters and 250-500mm, priced at 500,000-2,000,000 RMB; large HDD rig machines (over 100 tons) can complete drilling projects over 500 meters with large diameters (≥800mm) or in rock formations, priced at 2,000,000-tens of millions of RMB. For each increase in pullback force, the price increases by 30%-50%.
- Torque and Power System: Torque determines rock-breaking ability. Power systems are divided into electric motor and diesel versions. Diesel power is suitable for outdoor scenarios without power, offering strong power, but is 15%-25% more expensive than the same model with electric motors; imported engines (e.g., Cummins) are more than 20% more expensive than domestic engines.
- Drill rod specifications and quantity: Standard drill rods (API specifications) are versatile and inexpensive; non-standard custom drill rods cost 30%-50% more. Long-distance construction requires more drill rods; every additional 10 drill rods increases the cost by 20,000-50,000 RMB.


Geological Adaptability is an Important Factor in Equipment Pricing
Geological conditions determine the construction difficulty and are a crucial factor in equipment pricing. HDD rig machines adapted to complex geological conditions, due to their higher configuration and more advanced technology, are significantly more expensive than ordinary geological models.
- Soft soil (clay, sand): Ordinary models can be used, requiring no special configuration, and are the most affordable.
- Gravel/fractured formations: Requires a drilling mud system to prevent borehole collapse, thicker drill rods, and wear-resistant drill bits, increasing equipment prices by 20%-40%, and resulting in higher costs for subsequent drill bit wear.
- Rock formations (granite, sandstone): Specialized rock drilling rigs are required, equipped with high-torque power, tricone drill bits, and a measurement-while-drilling (MWD) system. The price is 2-3 times that of ordinary soft soil drilling rigs. Hard rock formations (≥30MPa) require additional specialized rock drilling equipment, further increasing the price.
Guidance and Control Systems: Accuracy Determines Price Tier
The guidance and control system determines construction accuracy, efficiency, and safety. Higher accuracy and more comprehensive functions result in a higher price.
- Foundation Walkover Guidance (Geomagnetic Tracking): Suitable for shallow-buried, short-distance (<150 meters) projects. Accuracy is generally moderate, susceptible to interference from underground metal, and the lowest price, mostly used in small drilling rigs.
- Gyro Guidance System: Adaptable to long-distance, deep-seated, and strong electromagnetic interference scenarios (such as urban core areas and industrial areas). High trajectory accuracy and real-time data transmission. The price is 50%-100% higher than that of foundation systems and is standard equipment for medium to large-sized drilling rigs.
- Intelligent Control System: High-end models are equipped with fully automatic operation, remote monitoring, data storage and analysis, and fault early warning functions, reducing reliance on manual labor and construction risks. They command a 15%-30% premium and are suitable for large-scale projects and long-term rental scenarios.

Brands and Configurations: Imported vs. Domestic, High-End vs. Standard
HDD rig machines on the market are divided into two main camps: domestic and imported. Brand premium and configuration differences directly affect price.
- Imported Brands (e.g., Vermeer, Bauer): Mature technology, strong stability, high durability, imported core components, low failure rate, and prices 40%-80% higher than domestic machines with the same parameters. Suitable for large enterprises with sufficient budgets and seeking long-term stability.
- Domestic Brands (e.g., YG): High cost-performance ratio, core technology approaching that of imports, fast after-sales response, inexpensive spare parts, and affordable prices (40%-60% lower than imported). They are the first choice for small and medium-sized projects and customers prioritizing cost-effectiveness. First-tier domestic brands command a 5%-15% premium over second- and third-tier brands, with the difference lying in craftsmanship, spare parts quality, and after-sales service.
- Standard vs. High-End Configuration: The standard configuration includes the basic main unit, drill pipe, and ordinary drill bits; the high-end configuration adds a mud purification system, hydraulic anchoring system, spare core components, and a professional after-sales service package, increasing the price by 10%-25%, but significantly reducing construction risks and later maintenance costs.
Equipment Age and Additional Services: The Hidden Impact of Long-Term Costs
Besides the price of the bare machine, factors such as the condition of the equipment, after-sales support, and spare parts supply, while seemingly insignificant in terms of price, actually determine the long-term overall cost.
- Brand New Equipment: 12-24 month warranty, no wear and tear, stable performance, highest price, but low long-term operating costs, suitable for long-term investment and large-scale project bidding.
- Refurbished/Used Equipment: Priced at 50%-70% of new machines, high cost-effectiveness, but attention must be paid to equipment wear and tear, service life, and maintenance history; high-quality refurbished machines (officially certified) are 15%-30% more expensive than ordinary used machines, but have short-term warranties and lower risk.
- After-sales service and spare parts: Major brands have extensive after-sales service networks, fast response times, and ample spare parts inventory, resulting in lower maintenance costs. Smaller brands or generic equipment have hard-to-find spare parts, longer repair cycles, and significant downtime losses; while seemingly cheaper, the long-term costs are actually higher.
Summary
The price of an HDD rig machine is not determined by a single factor, but rather by a combination of five key factors: performance parameters, geological compatibility, control system, brand configuration, and whether it’s new or used. When purchasing, do not only focus on the lowest price for the bare machine; consider the construction scenario, geological conditions, and long-term operating costs: for small soft soil projects, choose a domestic standard-configuration machine; for complex geology or long-distance projects, choose a mid-to-high-end geologically compatible model; for long-term investments, prioritize new machines from top-tier brands or certified refurbished machines, balancing price and value. If you have any needs or questions about selection, please contact YG; we will provide you with 1-on-1 customized service and a specific quote.

