YG Machinery delivers robust Horizontal Directional Drilling Equipment for trenchless pipe installation. Our directional boring machines for sale handle jobs from small utility crossings to large river bores. Every HDD rig goes through strict factory testing. You get consistent performance and simple on‑site control. Moreover, our team supports you from machine selection to final commissioning. That makes YG a trusted partner in underground construction.
YG Horizontal Directional Drilling Equipment Parameters
The table below lists the key specifications of our HDD equipment range. Use these data to match the right model to your bore length and ground conditions.
| 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 |
Key Components and How a Directional Boring Machine Works?
A modern HDD drill rig combines several core systems. Understanding them helps you operate the machine safely and efficiently.
- Powerhead and drill pipe
The powerhead rotates the drill pipe and pushes it into the ground. It delivers torque up to 12000 N.m on the YG‑320 series. Drill pipes link together to reach the required length. Operators can adjust rotation speed to match soil conditions. - Guidance system
A sonde housed behind the drill bit sends real‑time position data to the surface receiver. The operator reads depth, pitch, and heading. This guidance system enables accurate steering under roads, rivers, and existing utilities. - Mud pump and fluid circuit
A high‑pressure mud pump sends drilling fluid through the pipe to the bit. The fluid cools the tooling, carries cuttings out of the hole, and stabilizes the bore wall. YG models offer mud flow from 160 L/min to 320 L/min and pressure up to 100 bar. - Rack and carriage
The rack and carriage system advances and retracts the drill pipe. Cylinder or motor drives supply the push‑pull force. Reliable push‑pull performance keeps the bore progressing smoothly.
The working principle follows three stages. First, the pilot hole is drilled along the designed path. Next, a reamer enlarges the hole to the target diameter. Finally, the product pipe is pulled back through the reamed hole. This method requires no open trenches and protects surface structures.
Applications of Directional Boring Machines For Sale
Directional boring machines for sale from YG suit many underground projects. Their flexibility makes them popular with utility contractors and civil engineering firms.
- Municipal water and sewer lines. These machines install new pipelines beneath roads without cutting pavement.
- Gas and oil distribution. Directional boring machines lay steel or PE gas lines safely under rivers and highways.
- Power and telecommunications. Directional boring places cable conduits quickly across busy intersections.
- Environmental remediation. Horizontal wells extract contaminated groundwater with minimal surface disruption.
- Pipeline river crossings. Larger models in our HDD equipment line complete crossings up to Φ800 mm diameter.
Because the method leaves the surface nearly intact, it reduces restoration costs and community disruption. As a result, more engineers specify Horizontal Directional Drilling Equipment for challenging urban and environmentally sensitive sites.
Why Choose YG HDD Equipment?
Our HDD equipment gives you dependable production and lower long‑term costs. We focus on structural strength, smart hydraulics, and operator comfort.
- Heavy‑duty frame and boom
The chassis uses high‑strength steel. Welds receive full penetration and are inspected. This construction handles high push‑pull forces without cracking or deforming. - Matched engine and hydraulic system
We pair proven diesel engines with load‑sensing hydraulic pumps. Fuel consumption stays under control, and heat buildup is limited during long bores. Moreover, the system delivers smooth multifunction operation. - User‑friendly controls
Our control panel groups functions logically. A clear display shows rotation speed, thrust pressure, and fluid flow. New operators learn the basics quickly, which lowers training time. - Easy maintenance access
Daily service points such as filters, grease fittings, and fluid drains sit within easy reach. Quick maintenance keeps machine availability high on the job site. - Global support and parts
YG stocks wearing parts and components in key regions. Our engineers offer remote and on‑site technical help. You do not wait weeks for a simple spare part.
These advantages explain why contractors choose our directional boring machines for sale over other options in the market. The combination of sturdy build and responsive service delivers peace of mind.
FAQ About Horizontal Directional Drilling Equipment and HDD Rigs
Match the machine’s pullback force and torque to your typical bore length, diameter, and soil type. For instance, small utility bores under 200 mm diameter suit compact rigs with 160–180 kN force. Large river crossings need machines with 280–320 kN force and higher mud flow. Always check the entry angle range and available workspace. Our team can help you review your project requirements.
An HDD rig steers along a curved or straight path using a guided drill head and fluid. An auger boring machine pushes a rotating casing straight between two pits. HDD offers greater flexibility for steering under obstacles. Auger boring suits short, straight crossings where a stable bore wall is needed.
Perform daily checks on fluid levels, filters, and track tension. Grease the powerhead carriage and vise assemblies every 8–10 working hours. Change hydraulic filters according to the engine hour meter, typically every 250–500 hours. Annual inspection of hoses, seals, and structure extends machine life and avoids sudden breakdowns.
Our Horizontal Directional Drilling Equipment handles HDPE, PVC, steel, and ductile iron pipes. The pullback force and reaming diameter define the maximum pipe size. Our technical team provides a bore plan that matches your chosen pipe material and site conditions.
Directional Boring Machine For Sale – YG Inventory and More
YG currently stocks several models of Horizontal Directional Drilling Equipment ready for delivery. Each machine ships with a full set of tooling, including mud pump, hoses, and a standard drill pipe package. We also offer optional upgrades such as automatic rod loaders, high‑flow mud pumps, and remote guidance displays.
Beyond HDD rigs, YG Machinery produces a full range of underground and foundation engineering machines. Our piling rigs drive sheet piles and bored piles for building foundations. Rotary drilling rigs handle large‑diameter bored piles in hard strata. We also supply bucket grabs, telescopic leaders, and other foundation equipment. If your project needs multiple machine types, YG can bundle the package and provide one‑stop after‑sales service.
To request a quotation or arrange a job site visit, contact our sales team today. Tell us your bore diameter, length, and soil condition. We will recommend the most suitable directional boring machine for sale and provide a detailed offer within 24 hours. With YG, you get more than a machine – you get a reliable partner in trenchless technology.
