Earth Augers
Renewable Energy · 5–8 t excavators
Solar Farm Pile Holes with Excavator Augers
A solar EPC contractor drilled thousands of pre-holes for mounting piles. Excavator auger drives with rock teeth produced accurate holes through gravelly ground.
The challenge
Gravel and cobbles deflected piles driven directly, and the schedule required many holes per machine per day.
Our solution
- 7000-class auger drives (6,931 N·m) on 5–8 t excavators.
- Rock-tooth bits with pilot for gravel and cobbles.
- Excavator post drivers to drive piles after pre-drilling.
Results on site
- Straight, consistent pre-holes
- Reduced pile refusal
- Shared fleet of excavators for drilling and driving
Configuration
| Carrier | 5–8 t excavator |
|---|---|
| Torque | 6,931 N·m |
| Bit | 300 mm rock |
| Depth | 2 m with extension |
Attachments used
Hydraulic Post Drivers
Excavator Hydraulic Post Driver
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