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Star Industries Heavy Duty Skid Steer Auger Shaft Extensions add drilling depth to any 2"" hex shaft auger without requiring a new bit. Available in 24"" (160A-E24), 36"" (160A-E36), 48"" (160A-E48), 60"" (160A-E60), and 72"" (160A-E72) lengths. The 2"" hex coupler connects between the drive unit and auger bit, extending the shaft by the selected length. Built from high-grade American materials to handle the same torsional loads as the auger bit itself. 5-year factory guarantee. USA made since 1981.
| Model | Extension Length | Coupler Interface |
|---|---|---|
| 160A-E24 | 24"" | 2"" hex |
| 160A-E36 | 36"" | 2"" hex |
| 160A-E48 | 48"" | 2"" hex |
| 160A-E60 | 60"" | 2"" hex |
| 160A-E72 | 72"" | 2"" hex |
| Specification | Value |
|---|---|
| Material | High-grade American steel |
| Interface | 2"" hex coupler — standard for skid steer auger drives |
| Stacking | Multiple extensions can be combined |
| Warranty | 5-year factory guarantee |
| Origin | Made in USA since 1981 |
Compatible with Star Industries 160D series auger drives and all auger drives with a standard 2"" hex output shaft. Confirm your drive unit and auger bit both use the 2"" hex interface before ordering. When stacking extensions, total shaft length affects auger stability — consult Star Industries for guidance on maximum recommended extension depth for your drive unit and bit combination.
Compatible with skid steer loaders and compact track loaders with a Universal Quick Attach (SSQA) system:
| Bobcat | Caterpillar | John Deere | Case |
| New Holland | Takeuchi | Kubota | Gehl |
Compatibility determined by mount type — confirm your machine's quick attach configuration before ordering.
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Q: Can I use multiple extensions to get greater depth?
Yes — extensions can be stacked between the drive unit and auger bit to achieve additional depth beyond what a single extension provides. For example, a 48"" extension + 36"" extension adds 84"" (7') of depth. Note that longer total shaft lengths can reduce drilling torque efficiency and increase side-load risk — contact Star Industries at 1-800-541-1797 for guidance on maximum stacking depth for your specific drive unit. |
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Q: What coupler size do I need?
These extensions use the 2"" hex coupler, which is the industry standard for skid steer auger drives. Verify your drive unit's output shaft is 2"" hex before ordering. Mini skid steer drives and backhoe-mount drives may use different shaft sizes — confirm before purchasing. |
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Q: Does extension length affect torque output?
Each additional extension adds a small amount of transmission loss due to coupler engagement and shaft flex. For most applications the difference is negligible. In hard material drilling at maximum depth, longer extensions can reduce effective torque at the bit — the 160D-1020M (10-20 GPM, higher torque) is recommended for deep-extension applications in tough soil. |
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Q: Can these extensions be used with non-Star auger bits and drives?
Yes — the 2"" hex coupler interface is an industry standard used across most skid steer auger manufacturers. Star Industries extensions will work with any drive and bit using the 2"" hex interface, regardless of brand. Confirm the 2"" hex interface on both the drive and bit before combining. |
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Q: What is the weight of each extension?
Exact weights by model are not published by Star Industries. As a reference, a third-party 48"" 2"" hex extension typically weighs approximately 50-60 lbs. Contact Star Industries at 1-800-541-1797 for weight specifications by model. |
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