Dosko Stump Grinder (620-20HE)
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Product Description
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Dosko 620-20HE 20” Honda GX630 Electric Start Stump Grinder
The fastest, easiest-to-use, one-man stump grinder on the market today!
Built for professionals who demand power, safety, and simplicity, the Dosko 620-20HE combines the legendary Honda GX630 688cc commercial-grade engine with Dosko’s proven design for fast, efficient stump removal.
The front-mounted cutter wheel enhances operator safety and visibility, while the five-position adjustable handlebar offers comfort and complete control. The direct belt drive system delivers smooth, reliable power to the cutter wheel with minimal maintenance.
Equipped with Greenteeth® 700-series teeth, each with three cutting edges, this grinder ensures long-lasting performance and quick tooth rotation for a fresh cutting edge in seconds.
Key Features & Benefits
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Honda GX630 688cc V-Twin Engine — Commercial-grade power with electric start and oil-shutdown sensor for reliability.
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Front-Mounted Cutter Wheel — Improves visibility and maximizes safety by keeping the operator away from the cutting zone.
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Five-Position Handlebar — Adjusts for comfort and control, accommodating various operator heights and terrains.
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Direct Belt Drive System — Simplified, low-maintenance drive transfers power efficiently to the cutting wheel.
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Greenteeth® 700 Series Teeth — Concave “dish” design shears wood instead of shredding; each tooth rotates in 120° increments for triple lifespan.
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Unique Side-Discharge Frame — Keeps debris clear of the work area for better visibility and faster progress.
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Towable Design (Optional Tow Bar Package) — Easily attach and transport to job sites.
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Rugged Construction — Heavy-duty bearings, 3.2-gal. fuel tank, and adjustable brake band for safety and stability.
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Optional Safety Barricade Available — Adds a layer of protection during operation.
Quick Specs
| Specification | Details |
|---|---|
| Model | 620-20HE |
| Engine | Honda GX630 688cc V-Twin |
| Starting Type | Electric Start |
| Fuel Tank Capacity | 3.2 gal |
| Drive Type | Direct Belt Drive |
| Bearings | 1.375" Dia. |
| Tires | 4.80/4.00-8" Adjustable Brake Band |
| Operating Speed | 3600 RPM |
| Cutting Capacity (Above Grade) | 20 in. |
| Cutting Capacity (Below Grade) | 16 in. |
| Maximum Stump Diameter | No Limit |
| Dimensions (L × W × H) | 58" × 32" × 51" |
| Weight | 400 lbs |
| Warranty | 2-Year Consumer / 1-Year Commercial |
Warranty & Support
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Engine: Honda GX 3-Year Commercial Warranty
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Unit: 2-Year Consumer / 1-Year Commercial Warranty
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Optional Accessories: Safety Barricade Kit | Tow Bar Package

**Optional Rush Processing - We are pleased to offer RUSH PROCESSING for in stock items. Your equipment order is guaranteed to ship from our warehouse as fast as SAME DAY or by next business day (excluding Holidays). Tracking information will be e-mailed as soon as your order is processed. You will have the ability to track your order all the way through final delivery. If we don't get it shipped out by next business day its simple, you don't get charged the rush processing fee.
NOTE: Most products require at least some assembly.
Shipping Disclaimer
Due to rising fuel costs and lack of space on shipping trucks the costs in certain areas have been affected. An "out of area" fee may be necessary. If additional funds are required to fulfill your order we will reach out to you after your order is placed and give you options including possible terminal pick up. (Read more about our shipping policy and how freight shipping works.)
CALIFORNIA PROPOSITION 65 WARNING
Some (not all) of the products we carry can potentially expose you to chemicals including Benzene and Carbon Monoxide, which are known to the State of California to cause cancer and birth defects or other reproductive harms. If you have any questions you can always contact us.



