![Connect and disconnect your augers faster with an easy fit design with no additional adaptors required.](images/features/feature-plus.png)
![Our super heavy duty auger extension design reduces excess play in connections with welded hubs and shafts, ensuring you drill a straighter hole.](images/features/feature-plus.png)
![Engineered to 70,000 ft lbs of torque. Only available in outer extension style.](images/features/feature-plus.png)
![Choose from 6ft / 8ft / 10ft length super heavy duty outer auger extensions.](images/features/feature-plus.png)
![Be assured of an American made quality product. Digga manufactures in-house using only the highest grade materials and strictest control processes.](images/features/feature-plus.png)
![](images/features/auger-extensions/features-benefits-auger-extensions-100mm-hd.png)
100mm Square auger extensions
Increase the drilling depth of your auger bit with Digga's range of super heavy duty extensions. For large drive units with 100mm square shafts, XO40-HD outer extensions are available in 3 different lengths - 6ft, 8ft, and 10ft.
![](images/products/extensions/auger-extensions-xo40-hd-easy-fit-design.jpg)
Easy fit design
Easy fit design with no adaptors required helping you connect and disconnect your augers faster.
![](images/products/extensions/auger-extensions-xo40-hd-reduce-play.jpg)
Reduce excess play
Super heavy duty welded hubs and shafts provides extensions with more rigidity and reduce excess play in the connections resulting a straighter hole.
![](images/products/extensions/auger-extensions-xo40-hd-lengths.jpg)
Various lengths
Various length options available for super heavy duty auger outer extensions including 6ft, 8ft, and 10ft for XO40-HD models.
![](images/products/quality-made-usa.jpg)
American made quality
Our quality products are manufactured in-house by Digga in America. We use only the highest grade materials and strictest quality control.
outer - xo40-hd | ![]() |
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Type | Outer | |
Auger Bit Suitability | RC11 | |
Drive Suitability | SD45 - SD70 | |
Machine Suitability | Up to 50 ton | |
Maximum Torque | 70000 ft lbs | |
Standard Hub | 100 mm Square | |
Body - Dia x Wall | 8.625 x 0.5 in | |
Length Options | 6 / 8 / 10 ft | |
Availability | Stock Item |