AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower with vs Greenworks 13 Amp 14-Inch Corded Dethatcher /
Updated July 2026 — AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower with leads on power and weight.
The AMERISUN mower offers more versatility for regular lawn care, while the Greenworks dethatcher is better for maintaining lawn health. Choose based on your specific needs.
Why AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower with is better
Versatility
3-in-1 functionality for mowing, mulching, and bagging.
Power
144cc engine provides strong cutting performance.
Cutting Height
Adjustable height from 1.5 to 3.9 inches.
Why Greenworks 13 Amp 14-Inch Corded Dethatcher / is better
Price
More budget-friendly at $159.90.
Weight
Lightweight design for easy maneuverability.
Specialization
Designed specifically for dethatching and scarifying.
Overall score
Specifications
| Spec | AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower with | Greenworks 13 Amp 14-Inch Corded Dethatcher / |
|---|---|---|
| Engine Type | 4-Stroke OHV | Electric |
| Functionality | 3-in-1 | 2-in-1 |
| Starting System | Recoil | Push Button |
| RPM | N/A | 3200 |
| Warranty | N/A | 3 Years |
Dimension comparison
Overview of AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower
The AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower is designed for homeowners seeking a reliable tool for maintaining their lawns. Priced at $238.49, it features a powerful 144cc 4-stroke OHV engine that provides strong cutting power. This mower is particularly suited for small to medium-sized yards, offering versatility with its 3-in-1 functionality, allowing users to mulch, bag, or side discharge grass clippings. With an adjustable cutting height ranging from 1.5 to 3.9 inches, it caters to various lawn conditions and seasonal needs.
Overview of Greenworks 13 Amp 14-Inch Corded Dethatcher / Scarifier
The Greenworks 13 Amp 14-Inch Corded Dethatcher / Scarifier is a specialized tool priced at $159.90, aimed at maintaining healthy lawns by removing thatch and moss. This model boasts a lightweight design for easy maneuverability and a 2-in-1 capability that allows users to switch between dethatching and scarifying effortlessly. With a working width of 14 inches and a no-load speed of 3200 RPM, it is ideal for addressing lawn health, especially during the spring and fall seasons.
Price Comparison
When it comes to pricing, the AMERISUN mower is priced at $238.49, while the Greenworks dethatcher comes in at a more budget-friendly $159.90. This makes the Greenworks model about 33% cheaper than the AMERISUN mower. The price difference may influence buyers looking for an economical solution for lawn care. However, it’s essential to consider the different functionalities each product serves, as the AMERISUN is a full mower, while the Greenworks focuses on dethatching.
Functionality and Versatility
The AMERISUN mower offers versatile functionality with its 3-in-1 design, allowing users to choose between mulching, bagging, and side discharge. This flexibility makes it suitable for various lawn care tasks, ensuring that users can maintain a tidy yard regardless of their preferences. On the other hand, the Greenworks dethatcher is designed specifically for lawn health, providing a 2-in-1 capability that lets users switch between dethatching and scarifying easily. This specialized functionality is beneficial for those looking to improve their lawn’s overall health, especially when dealing with thatch buildup.
Ease of Use
In terms of ease of use, both products have their strengths. The AMERISUN mower features an easy-start recoil system, making it user-friendly for those who may not have extensive experience with gas-powered tools. Its lightweight design at 68 lbs also enhances maneuverability. Conversely, the Greenworks dethatcher includes a push-button start and is designed to be lightweight, which aids in user comfort during operation. The quick-release feature for switching attachments further simplifies the user experience, making it easy to adapt to varying lawn care needs.
Performance and Power
The AMERISUN mower is powered by a robust 144cc engine, delivering strong cutting performance suited for small to medium-sized lawns. It ensures a clean and professional cut through its adjustable cutting height. Meanwhile, the Greenworks dethatcher operates with a 13 Amp motor, achieving a no-load speed of 3200 RPM, which is effective for dethatching and scarifying tasks. While the AMERISUN is focused on cutting grass, the Greenworks excels in enhancing lawn health by addressing thatch, providing distinct performance benefits depending on the user's requirements.
Maintenance and Storage
Maintenance and storage considerations are vital for any gardening tool. The AMERISUN mower's lightweight design and foldable handle allow for easy storage in garages or sheds. Its durable steel deck is rust-resistant, ensuring longevity with proper care. The Greenworks dethatcher, while also lightweight, emphasizes easy maintenance with its detachable attachments, allowing users to clean and store them efficiently after use. Both products provide user-friendly solutions for storage, but the AMERISUN's mower design may require more regular maintenance associated with gas engines compared to the electric operation of the Greenworks.
Which should you buy?
Choosing between the AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower and the Greenworks 13 Amp 14-Inch Corded Dethatcher ultimately depends on your specific lawn care needs. If you require a versatile mower for regular grass cutting, the AMERISUN is the better option despite its higher price. However, if your priority is to maintain lawn health by removing thatch and moss effectively, the Greenworks dethatcher is an excellent, more economical choice. Each product serves a different purpose, making it essential to evaluate your lawn care priorities before making a decision.

