When you search for a reliable rotary drilling machine price, you probably need more than just a simple number. You need a partner who truly understands tough job site conditions. YG machinery is exactly that partner. For over a decade, we have supplied heavy-duty rotary drilling rigs to contractors around the world. Our equipment performs exceptionally well in deep pile foundations, large-diameter water wells, and various complex ground conditions. Every machine we offer reflects years of field engineering experience and proven practical technology. You get a machine that works as hard as you do and handles the heavy lifting.
YG Machinery Rotary Drilling Machine Parameters
Before comparing any rotary drilling machine price, you need to understand what the rig actually delivers. The table below shows key technical specifications for our popular YG-220 model. These numbers give you a quick overview of the machine’s core capabilities.
| Dimensions (mm) | 7900*2260*3100 |
| Vehicle mass (kg) | 8000 |
| Wheelbase (mm) | 3150 |
| Wheelbase (mm) | Front 1400 After 1060 |
| Drilling depth (m) | 13 |
| Drilling diameter (mm) | 600-1600 |
| Rotation angle | 180 degree |
| Hydraulic system working pressure (MPa) | 50 |
| Gear pump model | CBJT2080 |
| Hydraulic system working pressure (Mpa) | 20-25 |
| Hydraulic system displacement (ml/r) | 80 |
| engine model | 4108 |
| Engine power (kW) | 88 |
Keep in mind that different optional configurations will directly affect final performance. Send us your project details and our engineering team will recommend the most suitable setup for you.
Ground Conditions Suitable for Hydraulic Rotary Drilling
A high-quality hydraulic rotary drilling rig can maintain steady penetration through many different ground conditions. Let us look at its specific scope of application.
- Soft soil layers such as clay, silt, and sandy ground. In these uniform fine-grained formations, the rig equipped with a flat bottom drilling bucket achieves fast penetration. Daily pile completion rates become very impressive.
- Backfill and loose overburden. These layers tend to collapse easily. By using a long casing following the hole or applying quality polymer slurry for wall protection, the borehole remains stable.
- Mudstone, shale, and highly weathered rock formations. These soft rocks have limited strength but can soften when exposed to water. Using a cutter pick drilling bucket often allows good efficiency while retrieving relatively intact rock samples.
- Hard rock formations such as limestone, granite, and basalt. Facing this high-strength rock, you need to switch to a core barrel or a roller bit rock auger. Although drilling time per meter increases, the powerful torque and crowd force ensure work does not stop.
- Water-bearing sand and gravel layers. Loose gravel with high water content challenges any drilling rig. By combining a casing driver with high-quality drilling mud, the hydraulic rotary rig can effectively isolate the water-bearing layer and smoothly penetrate such complex formations.
To put it simply, as long as you select the right drilling tools and techniques, a good hydraulic rotary machine makes ground conditions much less demanding.
How a Hydraulic Rotary Rig Boosts Pile Foundation Efficiency？
On a pile foundation site, time means profit. A modern hydraulic rotary rig rewrites the traditional construction pace in several ways.
- Drilling speed takes a big leap forward. The hydraulic power system transfers torque directly to the drill bit, cutting out much energy loss along the way. Compared with older cable-tool methods, it drills several times faster in soil layers and also has a clear advantage in soft rock.
- Equipment moves between positions with high efficiency. The self-propelled crawler undercarriage allows the machine to walk to the next pile point on its own, without frequently calling a crane. The interval from finishing one hole to starting the next becomes very short.
- Dependence on manual labor drops significantly. One rotary rig usually needs only one skilled operator and one or two helpers. In contrast, traditional methods often require more people to handle drill rods and clean the hole collar, which costs more and poses higher safety risks.
- Telescopic kelly bar reduces auxiliary time. Interlocking or friction kelly bars can push down several meters or even over ten meters in one pass, without needing to add or remove drill rods midway. This directly shortens the net drilling time per pile and clearly increases the number of piles completed each day.
- Performance remains strong in special application scenarios. For example, a dedicated rotary water well drilling rig based on the same hydraulic principle can drill deeper and straighter water wells within the same working day. You can finish more wells per construction season, which naturally strengthens your business capacity.
When all these advantages come together, the final result is a lower cost per pile and higher project profit.
Choosing the Right Rotary Water Well Drilling Rig
When you plan to purchase a new rotary water well drilling rig, the many options on the market can feel overwhelming. Following the steps below will help you sort out your thinking.
- First, clarify the depth and diameter of the wells you commonly drill. A rig configured for 200-meter deep wells has fundamentally different power, mast capacity, and winch ability compared to a rig for 50-meter shallow wells. Settle this parameter accurately from the start.
- Study the local geology of your main work areas carefully. Loose sand and gravel layers require mud circulation for wall stability, while hard fractured rock formations need a DTH hammer with stronger impact. Your geological report is a key reference for equipment selection.
- Evaluate road conditions and site space. If you need to move frequently between villages, the road mobility of a truck-mounted water well rig offers great value. If you often enter trackless mountain areas, the off-road capability of a crawler rig matters more.
- Be sure to check the after-sales support capability of the manufacturer. Whether wearing parts can be supplied on time, whether technical staff can provide remote diagnostics, and how clear the warranty terms are. These details determine your rig’s availability rate in the coming years.
- Match the equipment to your business development plan. Beyond immediate needs, it is wise to think about the type of projects you might take on in the next two or three years. Leaving a little extra capacity often makes the investment go further.
At YG machinery, we take time to understand your business situation first, and then help you select the right rig and matching drilling tools. A solution decided this way counts as a true problem-solving investment.
Rotary Drilling Machine Price
Many contractors ask us directly for a single rotary drilling machine price. That is a natural question, but the answer always depends on your configuration. Maximum torque, drilling depth, engine brand, and included kelly bars or drilling buckets all change the final figure. A heavy-duty rig for deep rock work costs more than a smaller unit for shallow soft soil piles. We suggest you always compare the complete working package, not just the initial number.
It also helps to consider long-term operating costs. A robust hydraulic system and a reinforced undercarriage reduce repair bills over time. Good fuel efficiency also adds up when the engine runs all day. YG machinery provides transparent quotations that list all necessary components. You will understand exactly what you are paying for and why the value stands strong.
Beyond rotary drilling rigs, we have a series of other drilling machines to match different projects. You can also explore these options: small water well drilling rigs are lightweight and flexible, ideal for domestic and agricultural use; DTH hammer rigs specialize in hard rock formations and are widely applied in quarries and deep water well projects; hydraulic core drilling rigs are used for geological exploration and retrieve complete core samples with clear layering; horizontal directional drills install pipelines without digging open trenches, especially suitable for urban construction; solar pile drivers are efficient tools for photovoltaic power station pile foundation work; in addition, various core drilling rigs and reverse circulation drilling rigs are available. No matter what type of project you have, we have the reliable equipment to match.
Contact us today and share your project scale and ground conditions. You will soon receive a personalized quotation that fits your reality and contains no unnecessary extras.
