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The Dosko 691SP-20HE is the top-of-the-line commercial stump grinder in the Dosko lineup — a hydrostatic self-propelled unit with electric start, powered by a Honda GX630 engine. Built for professional contractors who need maximum cutting capacity, operator comfort, and all-day productivity on demanding job sites.
Specifications
- Equipment Type: Stump Grinder (Self-Propelled)
- Engine: Honda GX630 — 688cc displacement
- Horsepower: 20 HP
- Starter: Electric start
- Fuel Type: Gasoline
- RPM: 3,000
- Cutter Wheel: 14 in. diameter x 3/8 in. thick
- Teeth: Greenteeth™ 700 Series (8 teeth) — rotatable in 3 x 120° increments
- Cutting Capacity: 24 in. above grade / 18 in. below grade
- Drive: Direct belt drive — 4 groove power band with idler bearing belt tensioners
- Propulsion: Hydrostatic drive system
- Handlebar: Five-position adjustable
- Bearings: 1.375 in. diameter
- Tires: 16 in. x 6.50-8 in. adjustable brake band
- Dry Weight: 500 lbs.
- SKU: 691SP-20HE
Hydrostatic Drive — Full Control on Any Terrain
The hydrostatic drive system sets the 691SP apart from walk-behind units. Variable speed forward and reverse gives the operator precise control during grinding passes and effortless repositioning between stumps — no clutching, no manual pushing on slopes or uneven terrain. On large commercial jobs with multiple stumps, this translates directly to less operator fatigue and faster completion times.
Electric Start Honda GX630
The Honda GX630 is a commercial-grade V-twin engine delivering consistent power at 3,000 RPM throughout long grinding sessions. Electric start eliminates the physical strain of pull-starting a 500 lb. machine. The 688cc displacement provides the torque needed to power through large-diameter hardwood stumps without bogging down.
Greenteeth™ 700 Series — Maximum Uptime
Eight Greenteeth™ 700 Series teeth rotate in three 120-degree increments for a fresh cutting edge without replacing the tooth. On a high-volume commercial operation, this means the machine keeps working while competitors are swapping hardware. Cutting capacity reaches 24 inches above grade and 18 inches below — handling virtually any residential or commercial stump removal job.
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 691SP-20HE is the top-of-the-line commercial stump grinder in the Dosko lineup — a hydrostatic self-propelled unit with electric start, powered by a Honda GX630 engine. Built for professional contractors who need maximum cutting capacity, operator comfort, and all-day productivity on demanding job sites.
Specifications
- Equipment Type: Stump Grinder (Self-Propelled)
- Engine: Honda GX630 — 688cc displacement
- Horsepower: 20 HP
- Starter: Electric start
- Fuel Type: Gasoline
- RPM: 3,000
- Cutter Wheel: 14 in. diameter x 3/8 in. thick
- Teeth: Greenteeth™ 700 Series (8 teeth) — rotatable in 3 x 120° increments
- Cutting Capacity: 24 in. above grade / 18 in. below grade
- Drive: Direct belt drive — 4 groove power band with idler bearing belt tensioners
- Propulsion: Hydrostatic drive system
- Handlebar: Five-position adjustable
- Bearings: 1.375 in. diameter
- Tires: 16 in. x 6.50-8 in. adjustable brake band
- Dry Weight: 500 lbs.
- SKU: 691SP-20HE
Hydrostatic Drive — Full Control on Any Terrain
The hydrostatic drive system sets the 691SP apart from walk-behind units. Variable speed forward and reverse gives the operator precise control during grinding passes and effortless repositioning between stumps — no clutching, no manual pushing on slopes or uneven terrain. On large commercial jobs with multiple stumps, this translates directly to less operator fatigue and faster completion times.
Electric Start Honda GX630
The Honda GX630 is a commercial-grade V-twin engine delivering consistent power at 3,000 RPM throughout long grinding sessions. Electric start eliminates the physical strain of pull-starting a 500 lb. machine. The 688cc displacement provides the torque needed to power through large-diameter hardwood stumps without bogging down.
Greenteeth™ 700 Series — Maximum Uptime
Eight Greenteeth™ 700 Series teeth rotate in three 120-degree increments for a fresh cutting edge without replacing the tooth. On a high-volume commercial operation, this means the machine keeps working while competitors are swapping hardware. Cutting capacity reaches 24 inches above grade and 18 inches below — handling virtually any residential or commercial stump removal job.
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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Backed by Manufacturer Warranty
Every unit we sell is covered by the original manufacturer warranty, not a third-party plan. As an authorized dealer, we handle setup questions and warranty coordination directly, so you're never left dealing with the manufacturer alone.
Questions? We're Here to Help
Not sure if this is the right fit for your job, or want to double check specs before you buy? Our team knows this equipment inside and out — reach out anytime at 1-321-237-7539 and we'll help you choose with confidence.
