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The Digga A6 Earth Auger Bit is the heavy-duty step up from the A4 — designed for machines 4.5–8T (9,900–17,600 lbs) using a 1-3/4"" hex hub for greater torque handling. The 5-foot (60"") OAL provides 12"" more drilling depth than the A4's 48"" OAL without extensions. Available in 8""–36"" diameters in MFT (multi-facet tungsten) tooth configuration for all-conditions earth and clay drilling. Same proven double-start, single-carry flight design with shallow pitch for superior soil retention. Flat chisel teeth with chisel-ripping inner pockets. Made in Dyersville, Iowa, USA.
| Specification | Value |
|---|---|
| Series | A6 |
| OAL | 60"" (5 foot) |
| Hub | 1-3/4"" hex |
| Diameters | 8""–36"" (MFT configuration) |
| Teeth | MFT (multi-facet tungsten) — PADLOC/TRULOC |
| Machine Class | 4.5–8T (9,900–17,600 lbs) |
| Ideal Drives | Digga 5DDS–9DDS series (excavator drives) |
| Origin | Made in Dyersville, Iowa, USA |
1-3/4"" hex hub — compatible with Digga A6/RC6 series excavator drives (5DDS–9DDS). Not compatible with 2"" hex output drives used on 1DSS–4DSS skid steer drives. Confirm your drive unit uses a 1-3/4"" hex output before ordering.
Compatible with excavators in the 4.5–8T (9,900–17,600 lbs) class, using Digga 5DDS–9DDS drives:
| Caterpillar | Komatsu | Volvo | Doosan |
| John Deere | Hitachi | Kubota | Yanmar |
Confirm drive unit uses 1-3/4"" hex output. Not compatible with 2"" hex skid steer drives.
|
Q: What is the difference between A4 and A6?
A4 uses a 2"" hex hub for machines 0.75-4.5T. A6 uses a 1-3/4"" hex hub for machines 4.5-8T. A6 has a 5-foot (60"") OAL vs A4's 48"". A6 is heavier construction matched to the higher torque and weight of 4.5-8T class machines. They are not interchangeable — confirm machine weight class and drive hub output before selecting. |
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Q: Why does the A6 use a 1-3/4"" hex rather than 2"" hex?
At higher torque levels from 4.5-8T machines, the 1-3/4"" hex provides greater contact area at the drive interface for larger torque values. The A6 drive system (5DDS+ excavator drives) uses this hub as standard. |
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Q: Are the A6 and RC6 teeth interchangeable?
A6 uses the TS tooth system (flat chisel teeth). RC6 uses the TM/TTD taper tooth system. The teeth are not directly interchangeable — different pocket designs. Confirm your auger model before ordering replacement teeth. |
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Q: What is the maximum diameter for the A6?
The workbook shows up to 36"" diameter in MFT configuration. Larger diameters may be available — contact eSkidSteer at 866-757-8337 for maximum diameter availability in A6. |
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Q: What pilot tooth does the A6 use?
The A6 uses a PM-HX style pilot (hex-base), different from the PM-SQ (square base) on A4 or the PM-HX-3 on RC4. Contact eSkidSteer for the specific PM part number for A6 replacement pilots. |
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