Eterra Vortex Stump Grinder for Skid Steer, Mini Skid Steer & Excavator
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Eterra Vortex Stump Grinder for Skid Steer, Mini Skid Steer & Excavator - 20" Mini Skid Steer - Mini Universal Mount - 12-20 GPM is backordered and will ship as soon as it is back in stock.
Payment & Security
Payment & Security
Secure Payment Options
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- Visa, MasterCard, American Express, Discover
- A fast and secure payment method accepted globally
- For quicker checkout on mobile devices
- Integrated with Shopify's secure payment gateway
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We also adhere to PCI-DSS standards, which are industry guidelines for managing payment card information securely. Rest assured, your payment information is never stored on our servers.
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To ensure that our customers' transactions are secure, we use advanced fraud detection systems. This helps protect both the store and our customers from fraudulent activity.
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Shipping & Delivery
Shipping & Delivery
Shipping Methods
We offer a variety of shipping options to ensure that your order reaches you as quickly and securely as possible
- Delivery within 5-7 business days.
- Delivery within 2-3 business days for a faster option.
- Get your order the very next day, available for select locations.
- We offer shipping to several countries. Delivery times vary depending on the destination.
Order Processing
- Orders are processed within 1-2 business days after receiving your order confirmation.
- Orders placed on weekends or holidays will be processed on the next available business day.
- You will receive an email with tracking information once your order has shipped.
Delivery Times
- Delivery times are estimated and may vary depending on your location.
- Orders shipped to remote areas may experience slight delays.
- For international deliveries, customs processing times may affect delivery times.
Order Tracking
Once your order has shipped, you will receive a tracking number via email. You can use this tracking number to monitor the progress of your shipment on the carrier’s website.
Lost or Damaged Packages
- If your order is lost or damaged during shipping, please contact us within 7 days of the delivery date.
- We will work with the carrier to resolve the issue and either offer a replacement or issue a refund.
Contact Us
If you have any questions about shipping, delivery, or need assistance tracking your order, please contact our customer service team at support@skidsteerstore.com
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Eterra Vortex Stump Grinder for Skid Steer, Mini Skid Steer & Excavator - 20" Mini Skid Steer - Mini Universal Mount - 12-20 GPM is backordered and will ship as soon as it is back in stock.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
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Eterra Vortex Stump Grinder for Skid Steer, Mini Skid Steer & Excavator
The Eterra Vortex stump grinder is built around a heavy cutting wheel that carries rotational energy through the cut instead of stalling in it. Three sizes cover three classes of machine — 20" for mini skid steers, 27" standard flow and 31" high flow for full-size skid steers and excavators. Available from Skid Steer Store.
Built for Efficiency and Capacity
- Heavy cutting wheel — stored rotational energy keeps wheel speed up through hardwood, so you grind instead of bog down.
- Three sizes, three machine classes — 20" mini, 27" standard flow, 31" high flow.
- Wide 12–45 GPM coverage — a Vortex fits nearly any hydraulic package.
- Replaceable carbide teeth — swap teeth rather than replacing the wheel.
- Mini universal mount standard on 20" models, with Bobcat MT and ASV plates available.
Model Comparison
| Model | Cutting Wheel | Flow | Wheel Speed | Carrier |
|---|---|---|---|---|
| 20" Mini | 20" | 12–20 GPM | 350–600 RPM | Mini skid steer |
| 27" Standard Flow | 27" | 18–30 GPM | 450–735 RPM | Skid steer or excavator |
| 31" High Flow | 31" | 30–45 GPM | 450–700 RPM | Skid steer or excavator |
A Case Drain Is Required
Every Vortex model requires a case drain line. Running a high-torque hydraulic motor without one builds back-pressure on the shaft seal and will destroy the motor. Case drain and coupler specifications are matched to your machine at order time — contact Skid Steer Store with your make and model and we will confirm both before your order ships. If your machine has no case drain port, tell us before ordering.
Mini Skid Steer Mounting
| Mount | Fits | Cost |
|---|---|---|
| Mini Universal | Most mini skid steers and mini track loaders | Installed standard |
| Bobcat MT | Bobcat MT-series mini track loaders | Plate included in variant price |
| Mini ASV | ASV and Terex mini loaders | Plate included in variant price |
Common Applications
Stump removal for landscaping and site prep, tree service cleanup, storm damage recovery, fence line and pasture clearing, lot preparation, and municipal park and right-of-way maintenance.
Frequently Asked Questions
Which Vortex fits my machine?
Mini skid steers take the 20" on 12–20 GPM. Standard-flow skid steers and excavators take the 27" on 18–30 GPM. High-flow machines take the 31" on 30–45 GPM.
Do I really need a case drain?
Yes, on every model without exception. Running without one builds back-pressure on the motor's shaft seal and causes failure.
Can I run the Vortex on an excavator?
Yes. Both the 27" standard flow and 31" high flow are available in excavator configurations.
How do I specify couplers and case drain fittings?
They are matched to your machine at order time rather than selected above. Contact Skid Steer Store with your make and model.
Do the mini models need a separate mounting plate?
Only if your machine is not mini universal. Bobcat MT and Mini ASV variants already include the correct plate in the listed price.
What is the difference between the 27" and 31"?
Wheel size and flow requirement. The 27" runs on standard-flow hydraulics; the 31" needs a high-flow machine but takes larger stumps in fewer passes.
Order From Skid Steer Store
Select your model and carrier above. Unsure about your flow rating or case drain port? Contact Skid Steer Store with your make and model and we will confirm the full configuration before your order ships.








