Dosko 691SP-20HE Self-Propelled Stump Grinder – Honda GX630 Electric Start

Make quick work of tough stumps with the Dosko 691SP-20HE Self-Propelled Stump Grinder, designed for both power and operator comfort. Featuring a hydrostatic drive system, this unit moves smoothly across job sites and during transport, saving time and effort. Built with a rugged Honda GX630 electric start engine and standard Greenteeth® 700 Series teeth, this grinder is ready to handle professional landscaping and heavy-duty residential work.

Key Features & Benefits

Self-Propelled Efficiency
Hydrostatic drive system allows for precise, effortless navigation even on challenging terrain.

Electric Start Honda GX630 Engine
Powerful 688cc engine with push-button convenience — reliable, durable, and built for long service life.

Heavy-Duty Cutting Power
14-inch cutter wheel handles stumps up to 24 inches above grade and 18 inches below grade.

Greenteeth® 700 Series System
Eight cutting teeth with concave “dish” edges; rotate in three 120° increments for a fresh edge in minutes.

Operator Comfort
5-position adjustable handlebar and all-terrain tires provide stability and ease of use across job sites.

Technical Specifications

• Equipment Type: Self-Propelled Walk-Behind Stump Grinder

• Engine: Honda GX630, Gasoline, 688cc displacement

• Starter: Electric start (battery not included due to shipping restrictions)

• Drive System: Hydrostatic self-propelled, direct belt drive with 4-groove power band

• Cutting Capacity: 24 in. above grade / 18 in. below grade

• Cutter Wheel: 14 in. diameter × 3/8 in. thick

• Teeth: Greenteeth® 700 Series (8)

• Bearings: 1.375 in. diameter

• Tires: 16 in. × 6.50-8 in. with adjustable brake band

• Dry Weight: 500 lbs

• RPM: 3000

• SKU: 691SP-20HE

Why Choose the Dosko 691SP-20HE?

• Professional-grade power with Honda’s legendary GX engine series

• Self-propelled mobility for less operator strain

• Rotatable Greenteeth teeth reduce downtime and replacement costs

• Comfort-focused design with a 5-position handlebar and wide tires

Order with Confidence

The Dosko 691SP-20HE Self-Propelled Stump Grinder combines portability, operator comfort, and uncompromising power. Perfect for landscapers, arborists, and contractors who need dependable stump removal equipment.