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Eterra auger drives are built for skid steers and excavators that need to keep working in tough ground. A planetary gearbox and a design that eliminates shaft pull-out mean this attachment is made to earn its keep season after season. Available in three drive sizes to match your machine's hydraulic flow, with mounting options for both skid steer and excavator setups.
3,350 FT-LBSMax Torque
7–30 GPMFlow Range
140 LBSDrive Weight
2" HEXOutput Shaft
Freight Shipping
Ships direct to your job site or shop.
Manufacturer Warranty
Backed by Eterra's build quality and support.
Real Support
Talk to a person before and after you buy.
Strong Planetary Gearbox
A modern internal design entirely prevents shaft pull-out, so the drive holds up under sustained hydraulic load.
Versatile Accessory Fit
The 2" hex output shaft accepts auger bits plus other Eterra accessories like a stump planer, spiral splitter, or cement mixing bowl.
Mounts To Fit Your Machine
Choose a standard skid steer mount, flip mount, or excavator mount depending on your setup.
Simple Hook-Up
A pin-on design with included hoses and couplers means you can mount up and get to work quickly.
Three Flow Ranges
Sized to accommodate skid steers and excavators from 7 GPM up to 30 GPM of hydraulic flow.
Heavy-Duty Housing
Constructed from A572 Grade 50 steel, with the output shaft secured internally against a thrust plate to prevent pull-out.
Specifications
| Housing Material | A572 Grade 50 Steel |
| Gearbox Type | Planetary Gearbox |
| Output Shaft | 2" Hex |
| Shaft Pull-Out Protection | Internal Thrust Plate |
| Weight (Drive Only) | 140 lbs. |
| Recommended Auger Sizes | 4" – 24" Diameter |
| Recommended Bit Size | 36" (3500 & 4500 Models) |
| Compatible Accessories | Auger Bit, Stump Planer, Spiral Splitter, Cement Mixing Bowl |
| Mount Options | Standard – Universal, Standard – Bobcat, Flip Mount – Universal, Excavator Auger Cradle |
| Hook-Up | Pin-On, Hoses & Couplers Included |
Model Comparison — Choose Your Drive Size
2500 Drive
Smallest Flow Range
| Flow Range | 7–17 GPM |
| Torque @ 3500 PSI | 2,100 ft-lbs |
| Speed Range | 36–87 RPM |
| Output Shaft | 2" Hex |
| Weight (Drive Only) | 140 lbs. |
3500 Drive
Mid Flow Range
| Flow Range | 10–25 GPM |
| Torque @ 3500 PSI | 2,680 ft-lbs* |
| Speed Range | 40–100 RPM |
| Output Shaft | 2" Hex |
| Recommended Bit Size | 36" |
| Weight (Drive Only) | 140 lbs. |
4500 Drive
Largest Flow Range
| Flow Range | 13–30 GPM* |
| Torque @ 3500 PSI | 3,350 ft-lbs |
| Speed Range | 42–97 RPM |
| Output Shaft | 2" Hex |
| Recommended Bit Size | 36" |
| Weight (Drive Only) | 140 lbs. |
Built To Outlast The Job
Backed by real support and fast freight shipping.
Fast Freight ShippingCorporate Office: (800) 260-8983
Business Hours: Monday - Saturday 6AM-9PM CST
Email: support@sullivanequipmentco.com
© 2026, Sullivan Equipment Co .
Eterra auger drives are built for skid steers and excavators that need to keep working in tough ground. A planetary gearbox and a design that eliminates shaft pull-out mean this attachment is made to earn its keep season after season. Available in three drive sizes to match your machine's hydraulic flow, with mounting options for both skid steer and excavator setups.
3,350 FT-LBSMax Torque
7–30 GPMFlow Range
140 LBSDrive Weight
2" HEXOutput Shaft
Freight Shipping
Ships direct to your job site or shop.
Manufacturer Warranty
Backed by Eterra's build quality and support.
Real Support
Talk to a person before and after you buy.
Strong Planetary Gearbox
A modern internal design entirely prevents shaft pull-out, so the drive holds up under sustained hydraulic load.
Versatile Accessory Fit
The 2" hex output shaft accepts auger bits plus other Eterra accessories like a stump planer, spiral splitter, or cement mixing bowl.
Mounts To Fit Your Machine
Choose a standard skid steer mount, flip mount, or excavator mount depending on your setup.
Simple Hook-Up
A pin-on design with included hoses and couplers means you can mount up and get to work quickly.
Three Flow Ranges
Sized to accommodate skid steers and excavators from 7 GPM up to 30 GPM of hydraulic flow.
Heavy-Duty Housing
Constructed from A572 Grade 50 steel, with the output shaft secured internally against a thrust plate to prevent pull-out.
Specifications
| Housing Material | A572 Grade 50 Steel |
| Gearbox Type | Planetary Gearbox |
| Output Shaft | 2" Hex |
| Shaft Pull-Out Protection | Internal Thrust Plate |
| Weight (Drive Only) | 140 lbs. |
| Recommended Auger Sizes | 4" – 24" Diameter |
| Recommended Bit Size | 36" (3500 & 4500 Models) |
| Compatible Accessories | Auger Bit, Stump Planer, Spiral Splitter, Cement Mixing Bowl |
| Mount Options | Standard – Universal, Standard – Bobcat, Flip Mount – Universal, Excavator Auger Cradle |
| Hook-Up | Pin-On, Hoses & Couplers Included |
Model Comparison — Choose Your Drive Size
2500 Drive
Smallest Flow Range
| Flow Range | 7–17 GPM |
| Torque @ 3500 PSI | 2,100 ft-lbs |
| Speed Range | 36–87 RPM |
| Output Shaft | 2" Hex |
| Weight (Drive Only) | 140 lbs. |
3500 Drive
Mid Flow Range
| Flow Range | 10–25 GPM |
| Torque @ 3500 PSI | 2,680 ft-lbs* |
| Speed Range | 40–100 RPM |
| Output Shaft | 2" Hex |
| Recommended Bit Size | 36" |
| Weight (Drive Only) | 140 lbs. |
4500 Drive
Largest Flow Range
| Flow Range | 13–30 GPM* |
| Torque @ 3500 PSI | 3,350 ft-lbs |
| Speed Range | 42–97 RPM |
| Output Shaft | 2" Hex |
| Recommended Bit Size | 36" |
| Weight (Drive Only) | 140 lbs. |
Built To Outlast The Job
Backed by real support and fast freight shipping.
Fast Freight Shipping