MZK 15-inch 2-in-1 Electric Dethatcher and vs RB 9" Small Lawn Mower for Small Spaces, 40V 2Ah
Updated July 2026 — MZK 15-inch 2-in-1 Electric Dethatcher and wins on collection bag and weight, RB 9" Small Lawn Mower for Small Spaces, 40V 2Ah wins on motor rpm.
The MZK dethatcher excels in lawn health and maintenance, while the RB mower is perfect for small spaces. Choose based on your specific lawn care needs.
Why MZK 15-inch 2-in-1 Electric Dethatcher and is better
Power
MZK has a stronger motor at 3700 RPM vs RB's 6000 RPM.
Collection
MZK includes a large 45L collection bag.
Depth Adjustment
MZK offers adjustable depth settings for precise lawn care.
Why RB 9" Small Lawn Mower for Small Spaces, 40V 2Ah is better
Weight
RB is significantly lighter at 11.5 lbs.
Maneuverability
RB features one-hand steering for tight spaces.
Storage
RB's upright storage design saves space.
Overall score
Specifications
| Spec | MZK 15-inch 2-in-1 Electric Dethatcher and | RB 9" Small Lawn Mower for Small Spaces, 40V 2Ah |
|---|---|---|
| Power | 3700 RPM | 6000 RPM |
| Cutting Height | -0.47" to 0.24" | 1.2" to 2" |
| Battery | N/A | 40V 2Ah |
| Safety Features | Dual safety switches | Auto stop if tilted |
| Price | $189.99 | $169.99 |
Dimension comparison
Overview of the MZK 15-inch Dethatcher and RB 9-inch Mower
The MZK 15-inch 2-in-1 Electric Dethatcher is designed for efficient lawn care, while the RB 9-inch Small Lawn Mower targets compact spaces. Both tools serve distinct purposes in lawn maintenance, catering to different user needs. Priced at $189.99, the MZK dethatcher is slightly more expensive than the RB mower, which retails at $169.99. This price difference of about 12% reflects the varying capabilities and features of each product.
Power and Performance
The MZK dethatcher features a powerful electric motor capable of reaching 3700 RPM, making it highly effective at removing thatch and debris. In contrast, the RB mower boasts a high-speed brushless motor that operates at 6000 RPM, emphasizing efficiency in cutting grass. While both tools are designed for optimal performance, the MZK focuses on dethatching and lawn health, whereas the RB mower excels in cutting grass in small areas. This performance distinction is crucial for users who prioritize either lawn maintenance or grass cutting.
Design and Usability
Weighing 27.5 lbs, the MZK dethatcher is lightweight but designed primarily for lawn care tasks rather than mowing. Meanwhile, the RB mower is ultra-light at just 11.5 lbs without the battery, specifically engineered for compact maneuverability. Its one-hand steering and pivoting front wheels allow for easy navigation in tight spaces. The MZK's foldable handle offers convenient storage, while the RB mower's upright storage design saves up to 70% of space. Overall, the RB mower provides superior ease of use for small yards, making it ideal for users with limited outdoor space.
Cutting and Dethatching Capabilities
The MZK dethatcher features a 15-inch rake path with adjustable depth settings, allowing users to customize their lawn care approach. With settings ranging from -0.47" to 0.24", it effectively removes thatch and improves soil aeration. On the other hand, the RB mower offers three cutting heights from 1.2" to 2", ensuring a well-groomed lawn. While both tools have adjustable settings for optimal results, the MZK dethatcher’s focus on dethatching provides a unique advantage for maintaining lawn health, distinguishing it from the cutting-oriented RB mower.
Collection and Maintenance
The MZK dethatcher comes equipped with a large 45L collection bag that facilitates efficient lawn maintenance by gathering debris as you work. This feature allows for extended use without frequent interruptions to empty the bag. In contrast, the RB mower, while battery-operated and low maintenance due to its brushless motor, does not have a collection bag since its primary function is grass cutting. The emphasis on efficient debris collection with the MZK makes it a better choice for users who value a cleaner lawn after dethatching, while the RB mower focuses solely on mowing tasks.
Safety Features
Both products incorporate safety features, but they cater to different aspects of lawn care. The MZK dethatcher includes dual safety switches to prevent accidental operation, ensuring a safe user experience. Meanwhile, the RB mower automatically stops if tilted beyond a certain angle, meeting U.S. safety standards. This feature is particularly advantageous for beginners or those unfamiliar with lawn equipment. While both tools emphasize user safety, the RB mower's safety mechanism is critical for preventing accidents during operation in small spaces.
Target Audience
The MZK dethatcher is ideal for homeowners with larger lawns who seek to improve their lawn's health and aesthetics through dethatching. Its robust features make it suitable for those who prioritize lawn maintenance over simple mowing. Conversely, the RB mower targets individuals with small yards or those needing a compact and efficient mowing solution. With its lightweight design and easy maneuverability, it is perfect for beginners or anyone looking to maintain a tidy garden without the hassle of larger equipment.
Which should you buy?
Choosing between the MZK 15-inch dethatcher and the RB 9-inch mower ultimately depends on your lawn care needs. If you are focused on dethatching and promoting lawn health, the MZK's superior motor power and debris collection features make it the ideal choice at $189.99. However, if you need a compact and lightweight mower for small spaces, the RB's ease of use and affordability at $169.99 make it a strong contender. Each product excels in its respective category, so consider your specific lawn care requirements before making a decision.

