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The Dosko 620-20HE delivers commercial-grade stump grinding power in a walk-behind format. Powered by a Honda GX630 electric start engine with 688cc displacement, it combines the portability of a walk-behind unit with the cutting capacity of a larger machine — handling stumps up to 20 inches above grade and 16 inches below. Features a five-position handlebar adjustment and Greenteeth™ 700 Series teeth for maximum uptime.
Specifications
- Equipment Type: Stump Grinder (Walk-Behind)
- Engine: Honda GX630 — 688cc displacement
- Horsepower: 20 HP
- Starter: Electric start
- Fuel Type: Gasoline
- Oil Alert: Yes
- RPM: 2,500
- Cutter Wheel: 14 in. diameter x 3/8 in. thick
- Teeth: Greenteeth™ 700 Series (8 teeth) — rotatable in 3 x 120° increments
- Cutting Capacity: 20 in. above grade / 16 in. below grade
- Drive: Direct belt drive — 4 groove power band with idler bearing belt tensioners
- Handlebar: Five-position adjustable
- Bearings: 1.375 in. diameter
- Tires: 4.80/4.00-8 in. adjustable brake band
- Dry Weight: 400 lbs.
- SKU: 620-20HE
20 HP Honda GX630 — Electric Start
The Honda GX630 V-twin delivers 688cc of displacement at 2,500 RPM — enough torque to power through large hardwood stumps without hesitation. Electric start means no pull-cord on a 400 lb. machine. Oil Alert system automatically shuts the engine down if oil pressure drops, protecting the engine during extended use.
Walk-Behind Portability with Commercial Capacity
At 400 lbs., the 620-20HE is 100 lbs. lighter than the self-propelled 691SP while running the same Honda GX630 engine. For contractors who need a machine that fits through residential gates and navigates tight backyards without sacrificing cutting power, the 620-20HE is the right call. The five-position handlebar adjustment accommodates operators of different heights for full-day comfort.
Greenteeth™ 700 Series — Less Downtime
Eight Greenteeth™ 700 Series teeth rotate in three 120-degree increments — three fresh cutting edges per tooth before replacement. On a busy day of multiple residential jobs, this means the machine keeps cutting while other units are in the shop. Cutting capacity of 20 inches above grade and 16 inches below handles the full range of residential and light commercial stump removal.
Free Shipping — No Sales Tax
Ships free to the continental United States. No sales tax on your order. Contact us before placing your order to confirm availability and arrange freight delivery to your location.
Description & Shipping
The Dosko 620-20HE delivers commercial-grade stump grinding power in a walk-behind format. Powered by a Honda GX630 electric start engine with 688cc displacement, it combines the portability of a walk-behind unit with the cutting capacity of a larger machine — handling stumps up to 20 inches above grade and 16 inches below. Features a five-position handlebar adjustment and Greenteeth™ 700 Series teeth for maximum uptime.
Specifications
- Equipment Type: Stump Grinder (Walk-Behind)
- Engine: Honda GX630 — 688cc displacement
- Horsepower: 20 HP
- Starter: Electric start
- Fuel Type: Gasoline
- Oil Alert: Yes
- RPM: 2,500
- Cutter Wheel: 14 in. diameter x 3/8 in. thick
- Teeth: Greenteeth™ 700 Series (8 teeth) — rotatable in 3 x 120° increments
- Cutting Capacity: 20 in. above grade / 16 in. below grade
- Drive: Direct belt drive — 4 groove power band with idler bearing belt tensioners
- Handlebar: Five-position adjustable
- Bearings: 1.375 in. diameter
- Tires: 4.80/4.00-8 in. adjustable brake band
- Dry Weight: 400 lbs.
- SKU: 620-20HE
20 HP Honda GX630 — Electric Start
The Honda GX630 V-twin delivers 688cc of displacement at 2,500 RPM — enough torque to power through large hardwood stumps without hesitation. Electric start means no pull-cord on a 400 lb. machine. Oil Alert system automatically shuts the engine down if oil pressure drops, protecting the engine during extended use.
Walk-Behind Portability with Commercial Capacity
At 400 lbs., the 620-20HE is 100 lbs. lighter than the self-propelled 691SP while running the same Honda GX630 engine. For contractors who need a machine that fits through residential gates and navigates tight backyards without sacrificing cutting power, the 620-20HE is the right call. The five-position handlebar adjustment accommodates operators of different heights for full-day comfort.
Greenteeth™ 700 Series — Less Downtime
Eight Greenteeth™ 700 Series teeth rotate in three 120-degree increments — three fresh cutting edges per tooth before replacement. On a busy day of multiple residential jobs, this means the machine keeps cutting while other units are in the shop. Cutting capacity of 20 inches above grade and 16 inches below handles the full range of residential and light commercial stump removal.
Free Shipping — No Sales Tax
Ships free to the continental United States. No sales tax on your order. Contact us before placing your order to confirm availability and arrange freight delivery to your location.
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Expert Support
Our team knows this equipment inside and out. We're here to answer your questions, guide your purchase, and support you long after delivery. Whether you're a landowner, contractor, or forestry professional, we’re ready to help you get the job done right.