

The excavator auger attachment, also known as an excavator-converted auger drill, is a modular hydraulic drilling attachment adapted to the boom of excavators of various tonnages. Its core function is to replace manual digging and large rotary drilling equipment for shallow drilling operations. It is suitable for various geological conditions, including soil, clay, sand, gravel, and weathered rock, and is widely used for photovoltaic piles, streetlight poles, orchard pits, and micro-pile foundation pilot holes. Compared to traditional construction methods, it can be operated by a single person, increasing construction efficiency by more than 15 times. It eliminates mud pollution, offers flexible site relocation, and can operate in areas inaccessible to large drilling rigs, such as narrow alleys and steep slopes. Don’t hesitate, click the button below to get the most suitable customized solution for you!
YG Excavator Auger Attachment Parameter
| Model | YGMINI | YG1500 | YG2000 | YG2500 | YG4000 | YG4500 | YG5000 |
| Applicable(T) | 0.8-2T | 1-2 | 1.5-3 | 1.5-3 | 2-4 | 2-4 | 3-6 |
| Torque Range(Nm) | 305-1175 | 545-1580 | 656-2270 | 855-2510 | 1290-4580 | 1290-4580 | 1608-4890 |
| Oil pressure(bar) | 60-200 | 60-200 | 60-200 | 60-200 | 60-210 | 60-210 | 60-210 |
| Oil flow(lpm) | 12-45 | 20-75 | 30-75 | 30-75 | 40-95 | 40-95 | 40-95 |
| Speed (rpm) | 28-95 | 32-97 | 35-98 | 35-90 | 32-77 | 32-77 | 28-57 |
| Output shaft(mm) | 65Rd | 65Rd | 65Rd | 65Rd | 65Rd | 65Rd | 65Rd |
| Weight(kg) | 38 | 49 | 50 | 50 | 52 | 87 | 88 |

Main Types of Excavator Augers
Excavator auger attachments can be classified in multiple ways, including:
- By Drive Method: Divided into hydraulic and mechanical types. Hydraulic types are currently the mainstream, directly driven by the excavator’s hydraulic system, offering high efficiency and precise control; mechanical types are driven through power take-off shafts (PTO), etc., with relatively limited applicability.
- Based on Geological Adaptability: Drill bits are categorized into standard soil drill bits, tree drill bits, industrial drill bits, and rock drill bits. Standard drill bits are suitable for ordinary soils; tree drill bits are designed for landscaping transplantation, featuring large bore diameters and wide blades; rock drill bits are conical in shape and equipped with sharp alloy cutting tips, suitable for frozen and hard soils.
- Based on Drill Rod Structure: Drill bits are categorized into single-spiral and double-spiral types. Single-spiral drill bits are suitable for conventional soil layers and offer high soil removal efficiency; double-spiral drill bits are suitable for complex geological conditions and provide greater drilling stability.
- Based on Connection Method: Drill bits are categorized into pin-connected and quick-change types. Pin-connected drill bits connect directly to the excavator boom via a pin shaft, offering a simple structure and high load-bearing capacity; quick-change drill bits are used with quick-connect couplings, enabling rapid switching between drill bits and attachments such as buckets.
- Based on Automation Level: Drill bits are categorized into manual control and automatic control types. High-end solutions can be equipped with pressure sensors and automatic control systems to monitor drill bit pressure and speed in real time, automatically adjusting hydraulic flow to prevent jamming or excessive drill bit wear.

Core Advantages of Excavator Auger Attachment
- Multi-functional, Reduced Equipment Investment: Excavators can quickly switch between auger drilling, hydraulic breakers, log grapples, and other attachments, eliminating the need for separate pile foundation equipment and reducing main unit idle time.
- High Site Adaptability: Compact size allows for simultaneous relocation with the excavator. Its small tonnage, simple operation, and convenient relocation capabilities make it suitable for drilling even single pile holes.
- Dry and Environmentally Friendly Construction: No mud discharge or mud pit construction eliminates the need for urban dust control measures.
- Significantly Reduced Labor Costs: Only one excavator operator is required to independently complete drilling and unloading operations, eliminating the need for 2-3 auxiliary workers.
- Stable Hole Quality: The auger blades compress the hole wall, resulting in high hole verticality, uniform hole diameter, and stronger foundation stability after pile installation.
YG Excavator Auger Attachment Application Scenarios
- New Energy Photovoltaic Projects: Drilling for photovoltaic support pile foundations in mountainous and plain areas, shallow pilot hole operations. This is currently the highest-selling application scenario. YG can customize anti-corrosion drill rods to adapt to humid outdoor environments.
- Municipal Infrastructure: Drilling for streetlights, monitoring poles, traffic guardrail foundations, fence pile foundations, and pre-embedded pilot holes for small pipelines. Low noise and minimal disturbance to residents during urban construction.
- Agricultural, Forestry, and Water Conservancy Projects: Digging pits for fruit tree planting, irrigation wells for farmland, greenhouse foundation piles, and deep pits for seedling transplanting. The light-duty 4000N model is suitable for narrow orchard roads.
- Small Building Pile Foundations: Lightweight foundations for rural self-built houses and factories, and wall foundations. The medium-load model can complete 3-6 meter deep holes in one pass.
- Mining and Slope Engineering: Pilot hole drilling in rock layers, mountain anchoring drilling, and pre-drilling before crushing construction waste. The heavy-duty rock model can handle complex hard strata.
- Foreign Trade Export Procurement: Southeast Asia and Middle East photovoltaic infrastructure projects. Supports CE certification, OEM/ODM, and modular packaging for different excavator models. Compatible with various tonnage excavators overseas.

Excavator Auger Attachment FAQs
Q1: What tonnage excavators are suitable for auger drills?
A: Auger drills have a very wide range of applications, from 1.5-ton mini excavators to 70-ton large excavators. YG products cover the entire range from micro to large, allowing customers to choose the appropriate auger model based on their excavator’s tonnage.
Q2: Does adding an auger drill to an excavator require modification?
A: No. Auger drills use a modular attachment design, similar to attaching a hydraulic breaker. The boom does not need to be disassembled, and the piping system can be shared. Disassembly and bucket change times are similar.
Q3: Can an auger drill holes in rock?
A: Yes, but a suitable drill bit must be selected based on the rock hardness. Rock drill bits are conical with sharp alloy tips, suitable for frozen soil and hard soil.
Q4: What are the drilling depths and diameters that an auger drill can achieve?
A: Drilling diameters typically range from 200mm to 2000mm, and drilling depths can reach 15 meters or even deeper. YG’s larger models can reach depths of up to 80 meters.
Q5: What is the lifespan of the auger drill bit?
A: Drill bit lifespan depends on geological conditions and work intensity. In ordinary soil, the drill bit can be used for a longer period; in hard rock formations or strata containing a large amount of sand and gravel, the wear rate will be significantly accelerated. It is recommended to use a replaceable alloy cutter head design to reduce maintenance costs.
Q6: How to choose the right auger drill model for your needs?
A: When choosing, consider the following factors: excavator tonnage and hydraulic system parameters (flow rate, pressure), required drilling diameter and depth, main geological conditions, work frequency, and budget. It is recommended to consult YG, a professional manufacturer, for targeted selection advice.
Choose YG Excavator Auger Attachment
YG, as the original manufacturing plant, handles the entire process in-house. Every auger undergoes hydraulic pressure durability testing, torque overload testing, and drill rod torsion testing before leaving the factory. Quality control standards meet EU construction machinery safety regulations. Our product range covers excavators from 1 to 40 tons, catering to the low-cost light-duty needs of individual users, the medium-load general-purpose needs of engineering companies, and the heavy-duty rock working conditions of mines. We also provide one-stop customization, customs clearance, and certification services for international buyers. For overseas procurement and customized working conditions, please contact YG Machinery for complete solutions and quotations.
