


Recommended flow
10-30 GPM
Torque at 3,000 PSI
3,276 ft-lbs
Model
4DSS
Commonly Used For
Post Hole Drilling
Piers & Footings
Fencing
-$57.00 $2,763.99
List Price: $2,820.99
Guaranteed Fit
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Description
This 4DSS mini excavator auger attachment suits mini excavators and backhoes of 6,600 - 11,000 lbs (3 - 5T). It brings 3,276 ft-lbs at 3,000 PSI on a 2 inch hex shaft, and comes with the mount your boom needs: Single Pin Mount, Double Pin Mount, Backhoe Mount, or Drive Only where the machine already carries one.
| Specification | Value |
|---|---|
| Model | 4DSS |
| Max speed (RPM) | 84 |
| Torque at 3,000 PSI | 3,276 ft-lbs |
| Max torque at 3,500 PSI | 3,814 ft-lbs |
| Recommended flow | 10-30 GPM |
| Max pressure — do not exceed | 3,500 PSI at 16 GPM |
| Max flow — do not exceed | 30 GPM at 1,800 PSI |
| Pressure relief valve | Optional |
| Standard output shaft | 2 inch hex |
| Optional output shaft | 2-9/16 inch round |
| Recommended auger bits | A4 / AB4 / RC4 |
| Max drilling diameter — earth | 30 in |
| Max drilling diameter — clay / shale | 24 in |
| HALO alignment | Optional |
| Carrier | Mini excavators and backhoes of 6,600 - 11,000 lbs (3 - 5t) |
| Mount option | How the drive is carried | Choose it when |
|---|---|---|
| Drive Only | No mount supplied | The machine already has a Digga mount and 75mm linkage |
| Single Pin Mount | One pin; the drive hangs and finds vertical on its own | Plumb holes on reasonably level ground |
| Double Pin Mount | Two pins fix the drive to the dipper, so the boom sets the angle | Angled holes, slopes, and holding the drive steady while it collars |
| Backhoe Mount | A cradle with linkage and pin, carried from a backhoe boom | Backhoe loaders rather than tracked excavators |
Pin diameter varies by machine, so enter the make and model with the order and we confirm the mount before it ships. The linkage on this drive is the 75mm size (HI-000393K on excavators) — the 100mm and 130mm linkages belong to larger drives. All three are listed under Auger Drive Mount Linkages.
Every 4DSS option on this page can be taken with No HALO or with the HALO Alignment Kit. The kit is not a bolt-on: the drive arrives with HALO built into its hood, with the extension cable and in-cab 12V plug. A ring of green lights means plumb and red guides the operator back — which is what replaces judging plumb from the cab, off to one side of the hole. Retrofitting an older drive is a separate HALO Retrofit Kit.
Against the 3DSS, the 4DSS adds 16 percent more turning force, on the same flow range. The 4DDS above it is another 9 percent up, reaching 40 inches in earth against 30. Max speed is 84 RPM. Speed and torque trade against each other, so the smaller drives in this range spin faster and the larger ones pull harder.
Digga builds this package for mini excavators and backhoes of 6,600 - 11,000 lbs (3 - 5T). Within that class, flow and pin size decide the fit:
| Fitment factor | Requirement |
|---|---|
| Machine class | Mini excavators and backhoes of 6,600 - 11,000 lbs (3 - 5t) |
| Auxiliary flow | 10-30 GPM; 10 GPM minimum for rated torque |
| Circuit pressure | Do not exceed 3,500 PSI at 16 GPM |
| Mount | Single pin, double pin or backhoe cradle, included unless Drive Only |
| Pin diameter | Confirmed against your machine before shipping |
| Linkage | 75mm — HI-000393K on excavators |
| Electrical | 12V for HALO if selected |
| Auger bits | Sold separately — A4, AB4 and RC4 on the 2 inch hex hub |
A single pin lets the drive hang and find vertical on its own, which suits plumb holes. Two pins fix it to the dipper so the boom sets the angle, which suits angled holes and slopes. Match the pin range to the pins on your dipper.
For a pin mount, yes — it pins where the bucket pins. If you would rather keep the coupler on, Digga makes coupler hitches for TAG, Wain Roy, John Deere, Kubota and Bobcat X-Change couplers, sold separately.
Digga rates it to 30 inches in earth and 24 inches in clay or shale. On a machine at the light end of the class, the practical limit is often set by the machine rather than the drive.
A4 earth auger bits, AB4 bolt-on auger bits and RC4 rock and earth combo bits on the 2 inch hex hub, with 2 inch hex auger extensions if you need to drill deeper than the bit reaches.
The 75mm size. Digga sets linkage by the drive: 75mm for 1DSS through 7DDT, 100mm for the 9K through 30K drives, 130mm for the SD range.
Shipping is calculated at checkout from the weight of your order and your delivery address, and the charge is shown before you complete the order.
On delivery: check the package before you sign. Note any damage on the delivery receipt at the time of delivery, photograph it, and email support@eskidsteer.com — a clean signature makes a carrier claim much harder to win.
Shipping
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Returns
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