A digger auger attachment turns your excavator into a high-speed drilling machine. Mounted to the excavator arm and powered by the machine’s hydraulic system, this attachment spins a rugged auger bit into the ground, cutting through soil, clay, frozen ground, and even soft rock with consistent torque and speed.
The YG series mini digger auger offers seven models covering excavators from 0.8 to 6 tons, with torque ranges from 305 to 4890 Nm and oil flow requirements from 12 to 95 L/min. Every model features an Eaton brand hydraulic motor and a heavy-duty planetary gearbox for reliable, continuous performance.
Digger Auger Attachment Parameters:
| 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 |
5 Advantages of YG Digger Auger Attachment
1. Multiple mounting frame options
YG supplies different mounting frame designs to match various carrier types and excavator arm configurations. You do not need to modify your excavator arm to install the attachment — the mounting frame connects directly to the standard bucket pin holes. This also makes it fast to swap between the auger and other attachments like buckets or hydraulic hammers, so your excavator stays versatile across different job site tasks without lengthy changeover downtime.
2. Eaton brand hydraulic motor
Every unit uses a genuine Eaton hydraulic motor rather than a generic or unbranded alternative. Buyers comparing an excavator auger for sale often overlook the motor brand, but it is the single most important factor in long-term equipment reliability. Eaton Motors has a proven track record of durability in heavy machinery, and replacement parts are available through global distribution networks, which means you are not locked into a single supplier for servicing.
3. Continuous stable high torque output, built for durability
The drive system is engineered for continuous heavy-duty operation. It delivers consistent torque throughout the entire drilling stroke, without the power fading that cheaper units experience as internal components heat up. The sealed housing, high-quality bearings and precision-machined gears mean the unit requires minimal routine maintenance and keeps performing reliably for years across thousands of drilling hours.
4. Full range of auger diameters and bit types for all ground conditions
YG supplies auger bits in a wide range of diameters to match different hole size requirements, from small post holes up to large foundation pile diameters. You can also select different bit designs for specific ground types — standard soil bits for ordinary earth, hardened bits for frozen and compacted soil, and carbide-tipped rock bits for soft rock and weathered stone. This means one drive unit handles virtually any drilling project by simply swapping the bit, which maximizes equipment utilization and eliminates the need to buy multiple dedicated drilling machines.
5. Compatible with excavators, loaders, cranes and skid steers
The digger auger attachment is not limited to excavator use. With the appropriate mounting frame, the same drive unit can be carried by wheel loaders, truck cranes and skid steer loaders as well. This multi-carrier compatibility makes it a flexible capital investment for companies that operate mixed equipment fleets, since you can move the auger drive between machines as project requirements shift.
5 Application Fields of Digger Auger Attachment
This digger auger attachment serves a wide range of industries and project types:
1. Photovoltaic foundation piling
It is the standard tool for drilling foundation holes for solar panel mounting structures. Utility-scale solar farms require hundreds or thousands of evenly spaced foundation holes, and the excavator-mounted auger moves quickly between positions along the array rows, making it the most efficient method for this volume of repetitive drilling work.
2. Electric power pole foundations
The hydraulic auger for excavator is used for drilling holes for utility poles, transmission line towers and street lighting poles. The precise torque control and stable drilling action ensure straight, vertical holes that meet engineering specifications for pole foundation stability, which is critical for structures that must withstand wind and lateral loads.
3. Highway and railway guardrail installation
Drill holes for guardrail posts, fence posts and barrier supports along highways and railway lines. The mobile carrier moves along the road shoulder or trackside efficiently, drilling holes at regular intervals far faster than manual methods, which keeps linear infrastructure projects on schedule.
4. Landscaping and tree planting
Used for digging tree planting holes in parks, gardens, greenbelts and large-scale reforestation projects. It produces clean, uniform holes in a fraction of the time required for manual digging, which is essential for projects that involve planting hundreds or thousands of trees across a large area.
5. Mining tunnel and blasting hole drilling
Used for drilling blast holes in surface mining operations and for anchor bolt holes in tunnel and slope stabilization work. The higher-torque digger auger attachment in the range provides the power needed to handle the harder and more abrasive ground conditions typically encountered in mining and geotechnical applications.
Auger Bit Selection: Matching the Bit to the Ground
The YG series excavator auger for sale accepts a range of auger bits. Selecting the right bit for the ground conditions is essential for efficient drilling.
- Standard earth augers are the most common. They feature steel flights with hardened cutting edges. They work well in soil, clay, and sand. Available in diameters from 4 inches to 24 inches or larger.
- Rock augers feature carbide-tipped teeth on the cutting edge and often on the pilot bit. They are designed for fractured rock, shale, and soft limestone. The carbide teeth crush and chip the rock while the flights carry cuttings to the surface.
- Continuous flight augers have flights that run the full length of the bit. They are used for deep drilling where cuttings must be continuously removed from the hole. Common in pile drilling and foundation work.
- Pilot bits are the leading edge of the auger. They center the bit and start the hole. Replaceable pilot bits extend the life of the auger and maintain hole straightness.
- The 65Rd shaft accepts all these bit types. The operator selects the bit based on the hole diameter required and the ground conditions expected. Changing bits takes minutes.
Excavator Auger For Sale
If you need a reliable mini digger auger for foundation piling, solar projects, landscaping or infrastructure work, contact us today. Provide your excavator tonnage, hydraulic flow rate, required hole diameter and ground type, and we will recommend the most suitable model and bit configuration along with a detailed factory-direct quotation. We also provide long-term supply of wearing parts and technical support to keep your equipment operating at peak efficiency throughout its service life. Get a free quote for your hydraulic auger for excavator today.
