BILT HARD vs RB 9" Small Lawn Mower for Small Spaces, 40V 2Ah
Updated July 2026 — BILT HARD wins on weight and bag capacity, RB 9" Small Lawn Mower for Small Spaces, 40V 2Ah wins on cutting height.
The BILT HARD dethatcher excels in enhancing lawn health, while the RB mower is ideal for small spaces. Choose based on your specific lawn care needs.
Why BILT HARD is better
Power
15 Amp motor vs 40V battery
Versatility
Dethatching and scarifying functions
Depth Adjustment
5-position depth adjustment available
Why RB 9" Small Lawn Mower for Small Spaces, 40V 2Ah is better
Weight
Ultra-light design at 11.5 lbs
Storage
Space-saving upright storage
Maneuverability
One-hand steering for tight spaces
Overall score
Specifications
| Spec | BILT HARD | RB 9" Small Lawn Mower for Small Spaces, 40V 2Ah |
|---|---|---|
| Motor Power | 15 Amp | 40V |
| RPM | 3300 | 6000 |
| Cutting Heights | N/A | 3 |
| Safety Features | Lock-off switch | Auto stop |
| Grass Bag | 14.5 gal | N/A |
Dimension comparison
Overview
The BILT HARD 16 Inch Dethatcher Scarifier and the RB 9" Small Lawn Mower are both priced at $169.99, targeting distinct needs in lawn care. While the dethatcher focuses on lawn health through dethatching and scarifying, the small lawn mower aims for efficient grass cutting in compact spaces. Understanding their unique capabilities can help you determine which tool suits your yard maintenance tasks better.
Design and Functionality
The BILT HARD dethatcher features a dual design, allowing users to switch between dethatching and scarifying functions effortlessly. This versatility is ideal for improving soil aeration and nutrient absorption, crucial for a healthy lawn. In contrast, the RB small lawn mower is ultra-light and compact, making it easy to maneuver in tight areas. Weighing only 11.5 lbs without the battery, it's designed for small lawns up to 540 sq. ft., making it an excellent choice for urban gardeners or those with limited space.
Power and Performance
Equipped with a powerful 15 Amp copper motor, the BILT HARD dethatcher operates at 3300 RPM, effectively removing thatch while enhancing lawn health. The scarifying roller's 16 blades and dethatching roller's 20 spring steel tines ensure maximum thatch collection. On the other hand, the RB mower features a high-speed 6000 RPM brushless motor, allowing for efficient mulching with zero maintenance. Both machines demonstrate robust performance, but they cater to different lawn care approaches.
Usability and Features
The usability of the BILT HARD dethatcher is enhanced by its 5-position depth adjustment, allowing users to customize the depth for scarifying and raking between -0.47" to 0.24". It also includes a 14.5-gallon removable grass bag for efficient collection. The RB small lawn mower boasts three adjustable cutting heights ranging from 1.2" to 2", ensuring a well-groomed lawn. Each product features user-friendly designs, but the dethatcher’s depth adjustment may provide more versatility for various lawn conditions.
Safety Measures
Safety is a key feature in both machines. The BILT HARD dethatcher includes a lock-off switch and overload protection, ensuring safe operation. Meanwhile, the RB small lawn mower automatically stops if tilted beyond a 20°–70° angle, meeting US safety standards. Both products prioritize user safety, but the RB mower's automatic stop feature may be especially beneficial for beginners or those less familiar with lawn care equipment.
Storage and Portability
The RB small lawn mower excels in storage with its detachable aluminum handle and upright design that saves up to 70% space. This feature is particularly appealing for those with limited storage options. In contrast, while the BILT HARD dethatcher has a foldable handle rod, it is inherently bulkier due to its purpose of dethatching larger areas. If compact storage is a priority, the RB mower has a clear advantage.
Price Comparison
Both the BILT HARD dethatcher and the RB small lawn mower are priced identically at $169.99, making them equally accessible for buyers. However, considering the average prices over the past 90 days, the dethatcher has been slightly more consistent at $165.65 compared to the mower's $167.88. This minor price difference of about 1.3% may not significantly influence the decision-making process, but it's worth noting for budget-conscious consumers.
Which should you buy?
Choosing between the BILT HARD 16 Inch Dethatcher Scarifier and the RB 9" Small Lawn Mower largely depends on your specific lawn care needs. If your focus is on enhancing lawn health through dethatching and scarifying, the BILT HARD dethatcher is the superior tool. Its powerful motor, adjustable depth settings, and efficient design make it ideal for promoting a healthier lawn. However, if you have a small yard and need a lightweight, easy-to-maneuver mower, the RB small lawn mower is your best bet. Its compact design, safety features, and efficient cutting capabilities cater perfectly to small spaces. Ultimately, both machines offer excellent value at $169.99, but your choice should align with the type of lawn maintenance you require.

