

Digga’s drilling augers for 3–5 ton excavators deliver unmatched performance, reliability, and cost efficiency. With over 30 years of design and manufacturing expertise, these augers are built to withstand tough conditions and maximize productivity.
Manufactured and assembled using the highest-grade materials, Digga augers feature a compact high-torque gearbox, Digga/Eaton bell motors with optional integrated pressure relief valves, and a 2-piece shaft design for superior side-load ratings. Backed by a lifetime shaft pull-out warranty, these augers are engineered for strength and longevity.
The innovative Halo Alignment System ensures perfectly plumb holes without a spotter, while the patented Energy Control Valve allows quick conversion into a screw anchor drive. Digga augers also reduce downtime by eliminating the need for bulky valve blocks and extensions, extending drilling depth and minimizing maintenance.
Key Features:
Compact, high-torque gearbox for maximum efficiency
Digga/Eaton motor with optional pressure relief valve
2-piece shaft with lifetime pull-out warranty
Halo Alignment System for accurate drilling
Easily converts to screw anchor drive with anti-kickback valve
5-year gearbox and 3-year motor warranty
Over 30 years of proven engineering excellence
Price includes:
Note: 4DDS augers do not include hoses.
| SPECS | 3DSS | 4DSS | 4DDS |
| TORQUE (FT-LBS @ 3000 PSI |
2,829 | 3,275 | 3,583 |
| MAX TORQUE FT-LBS @ 3500 PSI |
3,300 | 3,821 | 4,180 |
| RECOMMENDED FLOW (GPM) | 10-30 | 10-30 | 10-36 |
| MOTOR TYPE | EATON | EATON | EATON |
| MAX PRESSURE - DO NOT EXCEED |
3500 PSI @ 16 GPM | 3500 PSI @ 27 GPM |
|
| MAX FLOW - DO NOT EXCEED |
30 GPM @ 1800 PSI | 42 GPM @ 3100 PSI |
|
| MAX HORSE POWER | 34 | 34 | 55 |
| PRESSURE RELIEF VALVE | OPTIONAL | OPTIONAL | INCLUDED |
| STANDARD OUTPUT SHAFT | 2" HEX | 2" HEX | 2" HEX |
| HALO | OPTIONAL | OPTIONAL | OPTIONAL |
| RECOMMENDED AUGER | A4 / RC4 | A4 / RC4 | A4 / RC4 |
| MAX DRILLING DIAMETER (CLAY / SHALE)* |
24" | 24" | 24" |
| MAX DRILLING DIAMETER (EARTH)* |
30" | 30" | 40" |
| WEIGHT (LBS) | 123 | 125 | 180 |
| OVERALL LENGTH (IN) | 25.9" | 25.9" | 29" |
| DIAMETER (IN) | 9.4" | 9.4" | 9.4" |
(*) Max/min drilling diameter (DIA) dependent on ground conditions. Guide is a recommendation only.
| 3DSS | |||
| SPEED | SPEED | TORQUE | TORQUE |
| GPM | RPM | PSI | FT-LBS |
| 10 | 33 | 1500 | 1414 |
| 12 | 39 | 1700 | 1603 |
| 14 | 46 | 1900 | 1792 |
| 16 | 52 | 2100 | 1980 |
| 18 | 59 | 2300 | 2169 |
| 20 | 65 | 2500 | 2357 |
| 22 |
72 | 2700 | 2546 |
| 24 | 78 | 2900 | 2735 |
| 26 | 85 | 3100 | 2923 |
| 28 | 91 | 3300 | 3112 |
| 30 | 98 | 3500 | 3300 |
| 4DSS | |||
| SPEED | SPEED | TORQUE | TORQUE |
| GPM | RPM | PSI | FT-LBS |
| 10 | 28 | 1500 | 1638 |
| 12 | 34 | 1700 | 1856 |
| 14 | 39 | 1900 | 2074 |
| 16 | 45 | 2100 | 2293 |
| 18 | 51 | 2300 | 2511 |
| 20 | 56 | 2500 | 2730 |
| 22 | 62 | 2700 | 2948 |
| 24 | 67 | 2900 | 3166 |
| 26 | 73 | 3100 | 3385 |
| 28 | 79 | 3300 | 3603 |
| 30 | 84 | 3500 | 3821 |
| 4DDS | |||
| SPEED | SPEED | TORQUE | TORQUE |
| GPM | RPM | PSI | FT-LBS |
| 8 | 22 | 1500 | 1791 |
| 13 | 32 | 1700 | 2030 |
| 17 | 43 | 1900 | 2269 |
| 21 | 54 | 2100 | 2508 |
| 25 | 65 | 2300 | 2747 |
| 29 | 75 | 2500 | 2986 |
| 34 | 86 | 2700 | 3225 |
| 38 | 97 | 2900 | 3463 |
| 42 | 108 | 3100 | 3702 |
| 3300 | 3941 | ||
| 3500 | 4180 |