When it comes to mineral exploration and geological surveys, hydraulic diamond core drill rigs are the machines that get the job done. These diamond drill rigs use hydraulic power to turn a diamond-tipped drill bit, cutting through hard rock to pull out a solid cylinder of material—a core sample. This sample tells geologists exactly what lies beneath the surface. The YGX series from YG Machinery offers a full range of these machines, built for projects that demand depth, power, and reliability.


YGX Series Hydraulic Diamond Core Drill Rigs Parameters
| Model | YGX-400 | YGX-600 | YGX-800 | YGX-1000 |
| Drilling Depth(M) | 180-400-500 | 200-600-650 | 400-800-1000 | 500-1000-1100 |
| Rated pressure(MPA) | 21 | 21 | 25 | 28 |
| Rated Flow(L/min) | 168 | 192 | 260 | 300 |
| Heat Dissipation Mode | Air cooling+water cooling | |||
| Engine Brand | Yuchai | Yuchai | Yuchai | Cummins |
| Rated power/speed | 78kW/ 2400r/min | 92kW/ 2400r/min | 92kW/ 2400r/min | 154kW/2400r/min |
| Drilling Angle(°) | 0-90 | 45-90 | 45-90 | 45-90 |
| Lifting Force(T) | 12 | 16 | 24 | 30 |
| Feed Force(T) | 6 | 8 | 12 | 15 |
| Hydraulic Mud pump flow | 30-90(L/min) | 30-90(L/min) | 90-180(L/min) | 90-180(L/min) |
| Hydraulic Mud pump power | 4-7(MPA) | 4-7(MPA) | 4-7(MPA) | 4-7(MPA) |
| Dimension | 4000*1900*1800mm | 4000*2000*1800mm | 5500*2100*2000mm | 6000*2200*2400mm |
| Weight | 4.3T | 4.5/5.5T | 6.5T | 7.5T |
How Hydraulic Diamond Core Drill Rigs Work
A diesel engine drives a hydraulic pump. That pump sends pressurized oil through control valves to two main parts: the rotation motor and the feed cylinders. The rotation motor turns the drill string and diamond bit. The feed cylinders push the bit down into the rock with steady pressure. At the same time, a mud pump moves drilling fluid down through the rods. This fluid cools the diamond bit and flushes rock cuttings back up to the surface. For sample recovery, the rig uses a wireline system. A special tool drops down inside the rods, grabs the core barrel, and pulls the sample up—all without lifting the entire pipe string out of the hole. This process saves hours on every shift.


Key Advantages of Hydraulic Diamond Core Drill Rigs
- Precise hydraulic control:Operators adjust rotation speed and feed force instantly using the central valve bank. This prevents the bit from binding in fractured rock and reduces pipe thread damage.
- Heavy-duty construction for harsh ground:The rig uses oversized bearings and high-grade seal kits. These parts keep dust and water out, so the hydraulic drilling machine maintains stable performance in abrasive or wet formations.
- Wireline coring saves time:Retrieving core samples through the rod string cuts trip time by more than half. It also keeps the core sample intact and correctly oriented for accurate geological records.
- Easy site mobility:Rubber crawler tracks provide good grip on slopes and muddy surfaces. The mast folds down quickly, and the main frame splits into modules for standard container shipping—no special transport permits needed.
Applications for Hydraulic Diamond Core Drill Rigs
- Mineral exploration:Mining firms use this diamond drill rig for sale to define ore bodies, estimate reserves, and plan extraction. Reliable core samples are the foundation of sound investment decisions.
- Geotechnical surveys:Civil engineers rely on a core drilling rig to test foundation conditions for dams, bridges, and tunnels. The data they gather determines load-bearing capacity and soil stability.
- Groundwater and hydrogeology:A hydraulic core drilling machine helps locate water-bearing layers and measure flow rates. This information is critical for well drilling and irrigation planning.
- Geothermal and energy projects:These hydraulic rig machines handle the high temperatures and abrasive conditions found in geothermal fields and coal bed methane exploration.


FAQs
Q: What type of drill rods are compatible with these rigs?
A: The rig accepts standard API and wireline rods in common diameters. The chuck and spindle are designed to hold multiple rod sizes without special adapters. Choose your rod based on the core diameter you need.
Q: How do I maintain the hydraulic system for long-term reliability?
A: Regular oil changes and filter replacements are the key. Use the recommended hydraulic fluid grade for your climate. Check hoses and fittings daily for leaks or loose connections.
Q: Can the rig operate in very hot or freezing weather?
A: Yes. The cooling system handles high temperatures, and the hydraulic oil has a wide viscosity range. For cold areas, preheat options are available for the engine and oil tank.
Q: Is operator training provided with the purchase?
A: Yes. The supplier supplies detailed manuals and video guides. On-site training can also be arranged for large orders. Most operators get comfortable with the controls within a few hours.


About YG Machinery
Since 2005, YG Machinery has built a reputation for durable drilling and construction equipment. The factory produces a full line of machines, including Rock Splitter Machines, DTH Drilling Rigs, and Anchor Drilling Rigs. All units undergo strict quality checks before shipping. YG offers direct factory pricing, a ready stock of spare parts, and remote technical support for overseas clients. To buy a hydraulic diamond core drill rig, request a quote, or check current prices on the YGX series, contact the sales team today. Global delivery is available with fast lead times.【WhatsApp/WeChat/Phone/Skype】+86 13937183602









