Greenworks 13 Amp 14-Inch Corded Dethatcher / vs SENIX 20" Gas Lawn Mower, 144 cc Gas Powered
Updated July 2026 — Greenworks 13 Amp 14-Inch Corded Dethatcher / wins on height, SENIX 20" Gas Lawn Mower, 144 cc Gas Powered wins on power and weight.
The Greenworks dethatcher/scarifier is a more budget-friendly option focused on lawn health, while the SENIX mower excels in grass cutting efficiency.
Why Greenworks 13 Amp 14-Inch Corded Dethatcher / is better
Price
Greenworks is $49 cheaper than SENIX
Warranty
Greenworks offers a 3-year warranty compared to 2 years for SENIX
Specialization
Greenworks is specialized for lawn health and dethatching
Why SENIX 20" Gas Lawn Mower, 144 cc Gas Powered is better
Cutting Width
SENIX has a 20-inch cutting width versus 14 inches for Greenworks
Power
SENIX has a powerful 144cc gas engine compared to Greenworks' electric motor
Maneuverability
SENIX's wheel design allows for better handling over uneven terrain
Overall score
Specifications
| Spec | Greenworks 13 Amp 14-Inch Corded Dethatcher / | SENIX 20" Gas Lawn Mower, 144 cc Gas Powered |
|---|---|---|
| Motor Type | Electric | Gas |
| Cutting Width | 14 inches | 20 inches |
| Warranty | 3 years | 2 years |
| No Load Speed | 3200 RPM | N/A |
| Adjustable Heights | 3 positions | 3 positions |
Dimension comparison
Overview of the Products
In comparing the Greenworks 13 Amp 14-Inch Corded Dethatcher / Scarifier and the SENIX 20" Gas Lawn Mower, it's important to note their distinct functions and target uses. The Greenworks dethatcher/scarifier is priced at $159.90, while the SENIX lawn mower comes in at $208.99, making the Greenworks about 17% cheaper. Understanding their unique features will help potential buyers determine which product best suits their lawn care needs.
Functionality and Use Cases
The Greenworks dethatcher/scarifier is designed primarily for lawn maintenance, specifically targeting thatch, moss, and debris to promote healthy grass growth. With a no-load speed of 3200 RPM and a lightweight design, it allows for easy maneuverability and effective performance during early spring and fall. In contrast, the SENIX lawn mower is built for cutting grass with a powerful 144cc gas engine and a generous 20-inch cutting width, enabling users to cover more ground quickly. Thus, while the Greenworks tool is ideal for preparing the lawn for growth, the SENIX mower excels in actual grass cutting.
Power and Efficiency
The Greenworks dethatcher/scarifier operates on a 13 Amp electric motor, providing reliable power for dethatching tasks. Its stainless steel tines, combined with a 5-position depth adjustment, allow users to customize their approach based on lawn conditions, ensuring effective thatch removal. On the other hand, the SENIX lawn mower, powered by a 144cc 4-cycle engine, delivers steady power even on thicker grass and slopes. This difference highlights that while both products are efficient in their own right, the Greenworks tool is more specialized for lawn health, whereas the SENIX mower is more suited for regular maintenance.
Design and Maneuverability
The design of the Greenworks dethatcher/scarifier emphasizes lightweight construction, making it easy to handle for extended periods without causing strain. Its quick-release feature allows for easy switching between dethatching and scarifying attachments, increasing versatility. The SENIX lawn mower, with its front and rear 7-inch wheels, is also designed for ease of use, gliding effortlessly over uneven ground. However, its greater weight and gas-powered operation may require more physical effort when compared to the lighter Greenworks model.
Maintenance and Warranty
The Greenworks product comes with a 3-year warranty, providing users with peace of mind regarding its durability and potential issues. In comparison, the SENIX lawn mower has a shorter 2-year warranty. Maintenance for the Greenworks tool primarily involves cleaning and occasional blade replacement, while the SENIX mower, being gas-powered, will require regular checks on the engine and fuel system. This difference may influence buyers who prefer less upkeep and longer warranty coverage.
Performance in Various Conditions
The Greenworks dethatcher/scarifier is particularly effective during early spring and fall for cool-season grasses, and it can also be used in late spring through early summer for warm-season grasses. Its specialized design means that users looking for optimal lawn health will find it beneficial. Conversely, the SENIX lawn mower, with its adjustable cutting heights ranging from 1.35 inches to 3.15 inches, is versatile enough to handle different grass types and conditions, making it suitable for various mowing scenarios.
Price Comparison
The Greenworks dethatcher/scarifier retails for $159.90, making it a more budget-friendly option when compared to the SENIX lawn mower, which costs $208.99. This approximately $49 price difference might make the Greenworks a more attractive choice for those primarily looking to improve lawn health rather than perform regular mowing tasks. The pricing could influence buyers seeking cost-effective solutions without sacrificing quality.
Which should you buy?
Choosing between the Greenworks 13 Amp 14-Inch Corded Dethatcher / Scarifier and the SENIX 20" Gas Lawn Mower ultimately depends on your lawn care needs. If your focus is on maintaining a healthy lawn by removing thatch and debris, the Greenworks model offers a powerful and efficient solution at a lower price. However, if you require a more robust machine for regular grass cutting with the flexibility of adjustable heights, the SENIX lawn mower may be the better choice. Consider your specific lawn care tasks, budget, and maintenance preferences to make the best decision.

