Last Updated on November 11, 2026 by D. Ruddy
Revitalizing your lawn involves more than just mowing. Over time, thatch, a dense layer of organic material, can build up, suffocating your grass. Dethatching removes this layer, allowing water, air, and nutrients to reach the roots. When considering dethatchers, two popular corded electric options stand out: the Sun Joe 12-Amp and the Greenworks Dethatcher.
Quick Check
| Fact Name | Sun Joe 12-Amp | Greenworks Dethatcher |
|---|---|---|
| Product | ||
| Check Price | Check Price on Amazon | Check Price on Amazon |
| Product Dimensions | 24″D x 20″W x 12.5″H | 40″D x 22.5″W x 36″H |
| Material | Alloy Steel | Stainless Steel |
| Item Weight | 27 pounds | 25.9 pounds |
| Wattage | Corded Electric | Corded Electric |
Sun Joe 12-Amp Review
Sun Joe 12-Amp: At a Glance
Product Dimensions: 24″D x 20″W x 12.5″H
Material: Alloy Steel
Wattage: Corded Electric
Item Weight: 27 pounds
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Sun Joe 12-Amp
The Sun Joe 12-Amp is designed for efficient lawn care. Its electric motor provides ample power for removing thatch and scarifying your lawn.
What We Like
- High-powered 12-amp motor for effective dethatching and scarifying.
- 12.6-inch wide path covers ground quickly.
- Five-position height adjustment for customizable dethatching depth.
- Airboost Technology utilizes durable spring steel tines to lift debris.
- Includes an 8-gallon detachable collection bag for easy cleanup.
Things to Consider
- Being a corded electric model, cord management is necessary.
- Weight at 27 pounds might be a factor for some users during prolonged use.
Sun Joe Electric Dethatcher & Scarifier, Corded, with 8-Gal Bag, AJ801E
Greenworks Dethatcher Review
Greenworks Dethatcher: At a Glance
Product Dimensions: 40″D x 22.5″W x 36″H
Material: Stainless Steel
Wattage: Corded Electric
Item Weight: 25.9 pounds
Greenworks Dethatcher
The Greenworks Dethatcher offers a powerful solution for maintaining lawn health. Its electric motor is built to handle tough jobs and promote vibrant growth.
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What We Like
- 10-amp motor delivers strong performance for various lawn conditions.
- 14-inch dethatching path allows for faster job completion.
- Three-position height adjustment for precise thatch removal.
- Durable stainless steel tines maintain sharpness over time.
- Offers a slightly wider dethatching path.
Things to Consider
- Requires cord management due to its corded electric nature.
- Operates at 3700 RPM, which is a specific operational speed to note.
Greenworks 10 Amp 14” Corded Electric Dethatcher (Stainless Steel Tines)
The Biggest Difference
The primary distinction between the Sun Joe 12-Amp and the Greenworks Dethatcher lies in their motor power and working width. The Sun Joe boasts a 12-amp motor, suggesting slightly more power, while the Greenworks Dethatcher operates with a 10-amp motor.
Furthermore, the path width differs; the Sun Joe covers a 12.6-inch area, while the Greenworks Dethatcher offers a 14-inch path. This wider path on the Greenworks unit could translate to completing larger lawns more quickly.
What Changes in Real Life
- Easier cleanup of thatch and debris after dethatching.
- Faster completion of lawn care tasks due to wider working paths.
- Improved air and nutrient circulation to grass roots for healthier growth.
- Reduced effort in removing matted layers from the lawn surface.
- The ability to customize dethatching depth for specific lawn needs.
- Less manual raking required after dethatching.
How These Actually Work (And Why It Matters)
Both dethatchers work by using rotating tines to comb through the lawn’s surface. The Sun Joe 12-Amp uses spring steel tines that are designed to lift embedded thatch and debris, while its Airboost Technology helps maximize this pickup. The Greenworks Dethatcher features stainless steel tines known for maintaining sharpness, which is crucial for consistently penetrating thatch layers and promoting aeration.
Which One Is Best for You?
If you’re trying to decide between the Sun Joe 12-Amp and the Greenworks Dethatcher, consider what aspects of lawn care are most important to you.
Think about the size of your lawn, the typical thickness of the thatch layer, and your personal preference for tool weight and maneuverability. Each machine offers a different approach to achieving a healthier lawn.
Which One Fits Your Life?
- If you prioritize slightly more motor power for stubborn thatch, the Sun Joe 12-Amp might be a good fit.
- If you have a larger lawn and want to finish dethatching quicker, the Greenworks Dethatcher’s wider path could be beneficial.
- If you prefer a tool with a more extensive depth adjustment range (5 positions), the Sun Joe 12-Amp is the choice.
- If you value tines that stay sharp longer, the Greenworks Dethatcher with stainless steel tines is worth considering.
- If easy debris collection is a high priority, the Sun Joe 12-Amp’s included bag is a plus.
My Honest Recommendation
For homeowners looking to improve lawn health by removing thatch and improving aeration, both the Sun Joe 12-Amp and the Greenworks Dethatcher are capable corded electric options. The Sun Joe 12-Amp offers a robust 12-amp motor and a versatile 5-position height adjustment, making it a solid choice for detailed lawn care. You can explore it further here: Sun Joe 12-Amp.
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The Greenworks Dethatcher provides a slightly wider 14-inch dethatching path and durable stainless steel tines, which can lead to quicker work on larger areas. Its 3-position height adjustment also allows for effective thatch removal. Learn more about the Greenworks Dethatcher.
Feature Comparison
| Feature | Sun Joe 12-Amp | Greenworks Dethatcher |
| Motor Power | 12-Amp | 10-Amp |
| Working Width | 12.6 inches | 14 inches |
| Height Adjustment Positions | 5 | 3 |
| Tine Material | Spring Steel | Stainless Steel |
| Collection Bag | Included (8-gallon) | Not specified |
| Weight | 27 pounds | 25.9 pounds |
Specifications Comparison
| Fact Name | Sun Joe 12-Amp | Greenworks Dethatcher |
|---|---|---|
| Brand | Sun Joe | Greenworks |
| Model | 12-Amp | Dethatcher |
| Color | Green | Green AC |
| Material | Alloy Steel | Stainless Steel |
| Product Dimensions | 24″D x 20″W x 12.5″H | 40″D x 22.5″W x 36″H |
| Wattage | Corded Electric | Corded Electric |
| Item Weight | 27 pounds | 25.9 pounds |
Maintenance and Care
Both the Sun Joe 12-Amp and the Greenworks Dethatcher require basic maintenance to ensure longevity and optimal performance. After each use, it’s important to clear any accumulated thatch and debris from the tines and housing. Store the units in a dry place to prevent rust and corrosion, especially on the metal components.
Regularly inspect the tines for any signs of wear or damage. For corded electric models, also check the power cord for any fraying or damage before and after each use. This simple upkeep will help keep your dethatcher running efficiently season after season.
When to Buy for Better Deals
Finding the right time to purchase your lawn care equipment can lead to great value. Keep an eye on seasonal sales and promotions that often occur during spring and fall, prime times for dethatching.
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- Check major online retailers for seasonal discounts.
- Look for bundle deals that might include other lawn care tools.
- Sign up for newsletters from product manufacturers for exclusive offers.
- Compare prices across different platforms before making a purchase.
FAQs
What is thatch and why should I remove it?
Thatch is a layer of dead organic matter that builds up on your lawn. Removing it allows water, air, and nutrients to reach the grass roots, promoting a healthier lawn.
Are these dethatchers suitable for all lawn types?
Both are generally suitable for most lawn types, but it’s always best to check manufacturer recommendations for specific grass varietals and conditions.
How often should I dethatch my lawn?
Typically, you should dethatch your lawn once or twice a year, depending on its growth rate and the thickness of the thatch layer.
Can I use these dethatchers after I have recently fertilized?
It’s generally recommended to dethatch before fertilizing to allow nutrients to reach the soil. Fertilizing immediately after dethatching can also be beneficial.
What is the main benefit of a wider dethatching path?
A wider path means you can cover more ground in a single pass, leading to faster overall completion of the dethatching task, especially on larger lawns.
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Final Decision
Both the Sun Joe 12-Amp and the Greenworks Dethatcher offer effective solutions for lawn thatch removal.
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Choosing between them depends on your specific lawn care needs and preferences for features like motor power, working width, and accessory inclusion.
To decide which dethatcher best suits your needs, consider the size of your lawn and how much power you think you’ll require. Both machines are designed to improve lawn health and appearance.
