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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

BILT HARD
85
RB 9" Small Lawn Mower for Small Spaces, 40V 2Ah
78

Specifications

SpecBILT HARDRB 9" Small Lawn Mower for Small Spaces, 40V 2Ah
Motor Power15 Amp40V
RPM33006000
Cutting HeightsN/A3
Safety FeaturesLock-off switchAuto stop
Grass Bag14.5 galN/A

Dimension comparison

BILT HARDRB 9" Small Lawn Mower for Small Spaces, 40V 2Ah

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.