An HDD machine operates by drilling a pilot hole from the surface along a predetermined path. The drill head is steered to navigate around obstacles underground. Once the pilot hole reaches the exit point, a reamer is attached to enlarge the hole. The product pipe is then pulled back through the enlarged hole. This process is efficient and minimizes surface disruption. Common components of an HDD drill rig include the power unit, thrust frame, drill pipes, and mud pump system.

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YG HDD Rig Specifications-OEM Support

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 the 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	7662*2162*2450mm

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4 Advantages of Using an HDD Machine

Choosing an hdd equipment for sale offers clear benefits over traditional open-cut methods. These advantages make HDD the preferred choice for many contractors.

1. Minimal Environmental Damage: HDD significantly reduces damage to roads, landscaping, and habitats. Less restoration work is needed.
2. Reduced Traffic Disruption: Avoiding open trenches means fewer road closures and less congestion.
3. Crossing Obstacles: HDD can easily go under rivers, highways, and buildings where open digging is impossible.
4. Cost-Effective: Though the initial investment is significant, HDD lowers overall costs by reducing restoration and traffic control expenses.

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Key Components That Drive Performance

Understanding the main parts of an HDD machine helps you evaluate quality when comparing options. Each component plays a critical role in overall efficiency.

• Drill Pipes: These transmit thrust and rotation to the drill head. High-quality steel pipes last longer and reduce joint failures.
• Mud Pump: This pumps drilling fluid to cool the bit and carry cuttings out of the hole. Pump capacity affects how fast you can drill.
• Power Unit: The engine and hydraulic system provide all the muscle. Look for reliable brands with good service networks.
• Control System: Modern joystick controls and digital displays give the operator precise command over every function.

5 Applications for YG Series HDD Machines

The YG series is designed to handle a wide range of trenchless installation tasks across different industries. Each machine serves specific project types based on its power output and size.

1. Urban Utility Installation
Cities constantly need new underground lines for water, gas, electricity, and communications. Compact HDD machines are ideal for these environments. Their smaller size allows them to work on narrow streets with limited space. They cause minimal disruption to traffic and daily activities. These machines are frequently used for connecting new buildings to existing utility networks.

2. Telecommunications and Broadband
Fiber optic networks are expanding rapidly worldwide. These cables require shallow, small-diameter bores. A machine with moderate pullback and torque is perfectly suited for this work. It can install multiple conduits in a single bore, speeding up network deployment.

3. Water and Sewer Pipelines
Municipal water departments need reliable equipment for installing and replacing water mains and sewer lines. Mid-range to heavy-duty machines offer the necessary pullback and torque for pulling larger diameter pipes over longer distances. They handle the heavier loads required for these essential services.

4. Oil and Gas Pipeline Crossings
Long-distance oil and gas pipelines often need to cross rivers, highways, and environmentally sensitive areas. High-capacity machines provide the pullback and torque needed for these challenging bores. They can install large-diameter steel pipes while protecting the surface environment.

5. Power Cable Installation
Underground power transmission lines require careful installation to avoid damage. HDD machines create a smooth bore path that protects the cable insulation. Medium-range machines are commonly used for medium-voltage distribution lines.

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Why YG Is a Trusted Manufacturer

YG is a professional manufacturing factory that specializes in producing high-quality HDD equipment. We understand the challenges contractors face on the job site. Our HDD machines are designed for durability and performance in the toughest conditions.

At YG, we focus on delivering value to our customers. We offer comprehensive pre-sales consultation to help you select the right hdd machine for sale. Our team also provides reliable after-sales support, including spare parts and technical guidance. If you need a dependable HDD drill rig, YG is your partner for success.

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FAQs

1. What pullback force do I need?
Small urban jobs need 12-16 tons. Large pipeline projects require 30-35 tons or more.

2. How far can an HDD machine drill?
Standard rigs drill 200-600 meters per bore, depending on soil and pipe size.

3. Can HDD go under rivers?
Yes. HDD is designed to cross rivers, highways, and buildings without surface digging.

4. What fuel do HDD machines use?
Most HDD drill rigs run on diesel engines for high torque and reliability.

5. Does YG offer spare parts support?
Yes. YG stocks key wear parts and ships globally to minimize your downtime.