
This post may contain affiliate links which means I may receive a commission for purchases made through links. Learn more on my Private Policy page.
When it comes to maintaining a healthy and lush lawn, keeping the grass free of thatch and aerated properly is essential. That’s where the Greenworks 40V 15 inch Dethatcher/Scarifier comes in-a versatile tool designed to help us tackle these tasks with ease. over the past few weeks, we’ve put this battery-powered machine through its paces, and we’re excited to share our firsthand experience with its 2-in-1 dethatching and scarifying capabilities. Featuring rapid-swap tine reels, a generous 14-inch dethatching path, and adjustable depth settings, this tool promises to save time while delivering professional-quality results. In this review, we’ll dive into how the greenworks 40V performs in real lawn conditions, its ease of use, and whether it’s a worthy addition to yoru lawn care arsenal.
Overview of the greenworks 40V 15 Inch dethatcher Scarifier and What We Loved

This versatile tool impressed us with its 2-in-1 functionality, allowing a seamless switch between dethatching and scarifying tasks thanks to the quick-swap tine reels. The wide 15-inch working width means we can cover more ground in less time, making lawn care more efficient without sacrificing results. The five-position depth adjustment gave us precise control, from shallow dethatching to more aggressive scarifying, wich was perfect for tailoring the care to our lawn’s specific needs throughout the seasons.
We also appreciated the high-quality stainless steel tines, which stayed sharp even after multiple uses, ensuring consistent performance without the need for frequent replacements.This product excels not only in versatility but also durability, making it a reliable addition to our outdoor toolkit. Below is a quick comparison of the key features that stood out most during our use:
| Feature | Benefit |
|---|---|
| 2-in-1 Quick-Swap Reels | Easily switch between dethatcher and scarifier |
| 15-inch Dethatching Path | Cover large areas quickly |
| 5-Position Depth Adjustment | Precise control for various lawn conditions |
| Stainless Steel Tines | Long-lasting sharpness and durability |
For anyone looking to maintain a healthy, lush lawn with less hassle, this tool offers an excellent combination of power and convenience that we wholeheartedly recommend.
Key Features That make the Greenworks Dethatcher Stand Out in our Tests

One of the most impressive aspects we observed is the 2-in-1 functionality that allows effortless switching between dethatching and scarifying thanks to the quick-swap tine reels. This versatility means you can tackle multiple lawn care tasks without needing multiple tools. Additionally, the 14-inch dethatching path significantly speeds up the process, letting us cover more ground efficiently and finish jobs in less time. The ability to adjust depths with five precise settings helps customize the tool’s performance perfectly for different grass types and conditions. This control ranges from -1/2 inch to +1/5 inch for scarifying, and -1/10 inch to +3/4 inch for dethatching, enabling optimal soil penetration without harsh damage.
Durability was another highlight, as the stainless steel tines remained sharp even after extended use, ensuring consistent and reliable performance. Its thoughtful design caters to multiple lawn care occasions,including early spring,early fall for cool-season grasses,and late spring through early summer for warm-season varieties-making it a year-round essential. Below is a quick summary of what makes this tool stand out:
- Quick-swap tine reels: Simple transition between dethatching and scarifying
- Wide 14-inch path: Efficient coverage to save time
- Five-position depth adjustment: Precise control for different lawn needs
- Durable stainless steel tines: Long-lasting sharpness for consistent results
- Multiple seasonal use: Suitable for both cool and warm-season grasses
| Feature | Benefit |
|---|---|
| 2-in-1 Function | Versatile tool for dethatching & scarifying |
| 14-inch Path | Faster lawn care sessions |
| 5-Position Depth | Customizable for healthy grass growth |
| Stainless Steel Tines | Durability & lasting sharpness |
Experience these features firsthand and make your lawn maintenance easier and more efficient with a tool designed for quality and convenience.
Hands-On Insights from Our Time Using the Greenworks 40V Dethatcher

From the first use, we appreciated how effortlessly the quick-swap tine reels allow us to switch between dethatching and scarifying tasks. This 2-in-1 functionality really simplifies lawn maintenance, especially when our yard needs different treatments depending on the season and grass type. Thanks to the 14-inch dethatching path, we were able to cover more ground in less time, making the entire process feel far less like a chore. Adjusting the depth was straightforward, with five positions that let us fine-tune from shallow to deeper penetration based on whether we were dethatching or scarifying.The stainless steel tines maintained sharpness throughout, consistently delivering reliable and efficient performance without clogging or skipping.
Another standout feature is how adaptable this tool is throughout the year.We found ourselves using it in early spring and fall for cool-season grasses, and again in late spring and early summer for warm-season varieties following the second mowing. The precise depth settings helped us avoid damaging healthy grass while effectively removing buildup of thatch and debris.Below is a quick overview of the tool’s key performance aspects based on our experience:
| Feature | Our Experience |
|---|---|
| 2-in-1 Functionality | Fast, easy switching between dethatcher & scarifier |
| Width | 14-inch path covered large areas quickly |
| Depth Adjustment | Simple 5-position control suited different grasses |
| Tine Quality | Stainless steel tines stayed sharp & effective |
| Seasonal Use | Effective across multiple lawn care seasons |
For anyone looking to improve lawn health with less hassle, this dethatcher proved to be a dependable and versatile addition to our gardening toolkit. Ready to make yard work easier? Check it out on Amazon!
Our Recommendations for Getting the Best Results with This Tool

To maximize the benefits of this versatile lawn care device, we suggest taking full advantage of its 2-in-1 functionality by switching between the dethatcher and scarifier attachments based on your yard’s specific needs. Use the dethatcher attachment during early spring or fall for cool-season grasses, and target late spring to early summer after the second mowing for warm-season grasses. The quick-swap tine reels make transitioning effortless, saving us time and effort during routine maintenance.
adjusting the tine depth properly is key to achieving optimal performance. The 5-position depth settings allow for precise control,ranging from -½ inch to +⅕ inch on scarifying mode and from -⅒ inch to +¾ inch on dethatching mode. For reference, here’s a simple guide to help us choose the right depth:
| Grass Type | Recommended Depth Setting | Purpose |
|---|---|---|
| Cool-Season | -⅒ to 0 inch | Dethatching |
| Warm-Season | +¼ to +¾ inch | Dethatching after 2nd mowing |
| All Types | -½ to +⅕ inch | Scarifying for soil aeration |
Always ensure the stainless steel tines are clean and sharp before starting, as this ensures consistent performance and prolongs the tool’s lifespan.Ready to elevate your lawn care routine? Get yours today and see the difference!
Customer Reviews Analysis

Customer Reviews Analysis
After diving into dozens of customer reviews for the Greenworks 40V 15 inch Dethatcher/Scarifier, Tool Only, we’ve gathered a solid understanding of what users love about this tool – as well as a few things that could be improved. Here’s a breakdown of the overall sentiment, common praises, and considerations based on real user experiences.
what Customers like
- lightweight and Easy to Use: Multiple reviewers emphasized how light the machine is and how effortlessly it glides across the lawn. This feature makes dethatching less of a chore even on half-acre lawns.
- Effective Thatch Removal: Users reported significant thatch removal, with one customer filling twenty 42-gallon bags on about half an acre. The dethatcher blades made a visible difference in lawn health by early season.
- Simple Blade Switch: Switching between dethatcher and scarifier blades is hassle-free with the provided hex key and handy holder on the handle.
- Good Value for Price: The tool offers a cost-effective option compared to renting or buying higher-end battery-powered models. Customers felt the price-performance ratio was excellent.
- Sturdy Motor Performance: Although corded, many users experienced consistent power without motor burnout, especially when following recommendations for extension cord gauge and moisture conditions.
Areas for improvement
- Grass Collection Bag Size: One of the most common complaints is that the collection bag fills up very quickly, often requiring frequent emptying or removal altogether for more efficient operation.
- Cord Management Challenges: While the cord holder is praised, some found the corded setup limiting in bigger yards or inconvenient without a suitable outdoor extension cord or generator.
- Build Quality Notes: Though overall quality is good for the price,components like the plastic cord holder and tine bracket may feel a bit “plasticky” and could wear with heavy use over time.
- User Controls Learning Curve: Some reviewers noticed the safety control system operates differently from typical lawn equipment, requiring a bit of adjustment.
- Mixed Results with Battery Version: A few users experienced issues with the battery-powered version not working properly, though this model is corded only.
Summary Table of Key Review Highlights
| Feature | pros | Cons |
|---|---|---|
| Weight & Maneuverability | Lightweight, easy to push, self-pulls Pleasant for extended use | Limited handle adjustment |
| Performance | Effective dethatching and scarifying Robust 13A motor, handles thick grass well | May struggle with very high or dry grass |
| Grass Collection | works out of the box for small areas | Collection bag fills quickly, often removed |
| Build & Design | Sturdy design, easy assembly, includes hex key holder | Some plastic parts feel low quality Minimal instruction details provided |
| Power & Cord Handling | Simple corded operation, works well with proper extension cords | Needs proper gauge extension cord Cord limits yard reach without generator |
| Value for Money | Affordable compared to battery models or rentals | Battery model costs significantly more and some report issues |
Our take
the Greenworks 40V 15 inch Dethatcher/Scarifier shines as a practical, budget-friendly tool for homeowners looking to keep their lawns healthy without investing in costly equipment or rental fees. While it’s not without minor quirks – especially regarding the grass bag and cord management – these are outweighed by its ease of use, dethatching effectiveness, and solid build. If you follow basic guidelines for grass height and moisture and invest in the right extension cord, this dethatcher will likely become a reliable ally in your lawn care toolkit.
Pros & Cons

Pros & Cons of the Greenworks 40V 15″ Dethatcher/Scarifier
After spending time using the Greenworks 40V 15-inch Dethatcher/Scarifier, we wanted to share what stood out to us as its biggest advantages and a few areas where it could improve.
| Pros | Cons |
|---|---|
| 2-in-1 functionality with quick-swap tine reels for easy switching between dethatching and scarifying | Tool-only model means you’ll need to purchase the battery and charger separately |
| Wide 14-inch dethatching path helps us finish yard work faster | Weight can be a bit much for prolonged use on uneven terrain |
| 5-position depth adjustments provide precise control for different lawn conditions | Depth settings can require some trial and error to find the optimal level for your grass type |
| Durable stainless steel tines stay sharp longer,ensuring reliable performance season after season | Scarifying function may not be as aggressive as some heavy-duty models |
| Great for multiple seasonal uses,helping keep both cool- and warm-season grasses healthy | Limited to battery runtime depending on the battery you use (battery sold separately) |
the Greenworks dethatcher/scarifier offers a solid balance of versatility,efficiency,and quality. While the need to get a compatible Greenworks battery and charger separately is something to keep in mind, the versatility and ease of use more than make up for it in our experience.
Q&A

Q&A: Greenworks 40V 15″ Dethatcher/Scarifier, Tool Only
Q: What makes the Greenworks 40V 15″ Dethatcher/Scarifier stand out from other dethatchers?
A: We love that it offers a convenient 2-in-1 design with quick-swap tine reels. This means you can easily switch between dethatching and scarifying without extra tools or hassle. Plus, the stainless steel tines are built to stay sharp longer, ensuring consistent, reliable performance season after season.
Q: How easy is it to adjust the depth settings?
A: The dethatcher/scarifier features a 5-position depth adjustment, which we found straightforward to use. For scarifying, it ranges from -1/2 inch to +1/5 inch, and for dethatching, it adjusts from -1/10 inch to +3/4 inch. This flexibility helps us tailor the tool precisely to our lawn’s needs.
Q: Does the 14-inch dethatching path really save time?
A: Absolutely! The 14-inch wide path allows us to cover more ground with each pass, significantly cutting down the time needed for lawn care chores. It’s especially handy for larger yards where every minute counts.
Q: Can this tool be used year-round?
A: While dethatching and scarifying are generally seasonal tasks, the Greenworks 40V is designed for multi-occasion use. For cool-season grasses, we dethatch in early spring or early fall. For warm-season grasses, it’s best after the second mowing in late spring through early summer. So, you can count on it for multiple lawn care sessions throughout the year.
Q: Is the tool compatible with Greenworks 40V batteries?
A: Yes! The tool only version means you can use your existing Greenworks 40V battery platform. If you already own other Greenworks tools, this dethatcher/scarifier will fit right in seamlessly.
Q: How heavy is the dethatcher/scarifier? Is it comfortable to use?
A: We found it pretty lightweight and easy to maneuver, which makes working on our lawn feel less like a chore. The ergonomic design helps keep fatigue at bay even during longer jobs.
Q: Any tips for getting the most out of this tool?
A: Definitely use the quick-swap tines to match your lawn’s needs each season-dethatch first to remove thatch build-up, then scarify to relieve soil compaction. Also,adjusting the depth properly will protect your grass while maximizing effectiveness.
We hope these answers help you see why we’re so impressed with the Greenworks 40V 15″ Dethatcher/Scarifier. It’s a versatile, efficient tool that makes lawn care easier and more enjoyable!
Experience the Difference

the Greenworks 40V 15″ Dethatcher/Scarifier stands out as a versatile and efficient tool that truly makes lawn care easier for us.With its convenient 2-in-1 function, quick-swap tine reels, and adjustable depth settings, it adapts perfectly to different lawn needs and seasons. We especially appreciate the high-quality stainless steel tines that hold up well over time, saving us both effort and replacement costs. If you’re looking to maintain a healthy, vibrant yard without spending all day working on it, this dethatcher/scarifier is definitely worth considering.
ready to elevate your lawn care routine? Check it out for yourself here: Greenworks 40V 15″ Dethatcher/scarifier on Amazon.
This post may contain affiliate links which means I may receive a commission for purchases made through links. Learn more on my Private Policy page.


