Dosko Stump Grinder (620-20HE)

Dosko Stump Grinder (620-20HE)

The fastest, easiest-to-use, portable, one-man stump grinders on the market today! All Dosko stump grinders are designed with safety in mind. Our front-mounted cutter wheel provides maximum operator safety at all times. The five-position handlebar adjustment gives the operator a comfortable working position and at the same time complete control of the machine while grinding.

This unit is powered by a proven Honda GX630 688cc commercial engine backed a 3 year warranty.

• Honda GX630 688cc
• Electric start • Oil shutdown sensor
• Direct belt drive
• 1.375' diameter bearings
• Unique side discharge frame
• Comfortable to use
• Handlebar has five different positions
• 3-in-1 tooth system
• Towable with optional tow bar package (Not Included)
• Easily attach and detach

Greenteeth® 700 series teeth Features:

• Concave 'dish' cutting edge that sheers rather than shreds
• Teeth can be rotated in three 120° increments for fresh cutting edge

Dosko 620 Manual

Warranty Info

The Dosko Stump Grinder (620-20HE) is a high-powered, efficient machine built to tackle tough stump removal jobs with ease. Here’s why it’s highly recommended:

• Powerful Engine: Equipped with a 20 HP Honda GX630 engine, providing substantial power to grind large, stubborn stumps efficiently.
• Heavy-Duty Construction: Built with a rugged, high-quality frame and durable components, ensuring long-lasting performance in demanding conditions.
• Hydraulic Drive System: The hydraulic drive offers smooth, easy operation with precise control for grinding stumps to ground level, even in hard-to-reach areas.
• Large Cutting Wheel: Features a 20-inch cutting wheel, ensuring faster and more efficient stump grinding, ideal for both residential and commercial use.
• User-Friendly Design: Despite its power, it has an intuitive design and controls that make it simple to operate for users of all experience levels.
• Maneuverable & Stable: The grinder’s compact design allows for easy maneuvering, while its stable stance ensures safe and controlled operation during grinding.
• Safety Features: Includes safety shields and a secure operating system to protect users during operation, reducing the risk of accidents.

Q: What is the Dosko Stump Grinder (620-20HE)?
A: The Dosko Stump Grinder (620-20HE) is a high-powered, heavy-duty machine designed to efficiently grind and remove large tree stumps, making it ideal for both residential and commercial landscaping projects.

Q: What engine powers the Dosko Stump Grinder (620-20HE)?
A: The grinder is equipped with a powerful 20 horsepower Honda GX620 engine, providing exceptional power to handle large and difficult stumps with ease.

Q: What is the cutting width of the Dosko Stump Grinder (620-20HE)?
A: The Dosko Stump Grinder (620-20HE) has a cutting width of 20 inches, offering a wide and efficient grinding area for faster stump removal.

Q: How deep can the Dosko Stump Grinder (620-20HE) grind stumps?
A: The grinder can grind stumps down to a depth of 8 inches below ground level, ensuring thorough removal and clearing of stumps for future landscaping or planting.

Q: Is the Dosko Stump Grinder (620-20HE) easy to operate?
A: Yes, the Dosko Stump Grinder is designed with user-friendly controls, an ergonomic handle, and a hydraulic clutch system for smooth operation, even for those with minimal experience.

Q: What type of blade does the Dosko Stump Grinder (620-20HE) use?
A: The Dosko Stump Grinder is equipped with a heavy-duty, carbide-tipped blade that delivers reliable, long-lasting performance for grinding through tough stumps.

Q: What is the weight of the Dosko Stump Grinder (620-20HE)?
A: The Dosko Stump Grinder weighs approximately 550 lbs, providing stability and strength for tackling larger stumps while still being manageable for transport.

Q: Can the Dosko Stump Grinder (620-20HE) be used for commercial purposes?
A: Yes, the Dosko Stump Grinder (620-20HE) is designed for both residential and commercial use, making it ideal for professional landscapers or contractors who need reliable, high-performance equipment.

Q: Is the Dosko Stump Grinder (620-20HE) portable?
A: Yes, the grinder is equipped with durable wheels for easy transportation between job sites, making it convenient for professionals and homeowners alike.

Q: Does the Dosko Stump Grinder (620-20HE) come with a warranty?
A: Yes, the Dosko Stump Grinder (620-20HE) typically comes with a manufacturer's warranty, covering parts and labor under normal usage for a specified period, ensuring peace of mind and product reliability.

• Clean After Use: After every use, clean the machine thoroughly to remove dirt, wood chips, and debris from the grinding wheel, engine, and undercarriage. Use a brush or compressed air for hard-to-reach areas.
• Inspect Cutting Teeth: Regularly check the cutting teeth for signs of wear or damage. Replace or sharpen them as needed to ensure efficient grinding. Blunt or damaged teeth can decrease performance.
• Lubricate Moving Parts: Apply grease to moving components, including bearings, axles, and the cutting wheel, to minimize friction and prevent premature wear.
• Monitor Engine Oil: Check the engine oil level frequently. Replace the oil as per the manufacturer’s recommendations to keep the engine running smoothly. Clean or replace the air filter if it appears clogged.
• Inspect the Belts: Examine the belts for wear, cracks, or fraying. Replace any worn belts promptly to avoid failure and ensure smooth operation.
• Check Hydraulic System: If your stump grinder features a hydraulic system, check the hydraulic fluid levels regularly. Top up the fluid and inspect hoses for leaks or damage.
• Tighten Bolts and Fasteners: Periodically inspect and tighten all bolts, nuts, and fasteners to prevent loosening during operation. This helps to maintain stability and safety.
• Examine Tires: Check the tires for proper inflation, wear, and punctures. Replace any damaged or worn tires to ensure the machine moves easily and remains stable.
• Fuel Care: Always use fresh fuel and avoid leaving fuel in the tank for extended periods. If storing the machine, either drain the fuel or add a fuel stabilizer to prevent engine damage.
• Proper Storage: Store the stump grinder in a dry, sheltered location when not in use. Protect the machine from the elements to prevent rust and degradation.