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21-Inch Self-Propelled Mower With AP300 S Battery And AL 301 Charger
- Mfg.#
- RMA 510 SET SUPER
- Sku#
- 3739919
- Self-Propelled - The self-propel function features a variable-speed setting control, reducing user fatigue by offering choices of mowing speeds.
- 21-Inch Steel Mowing Deck - Users can trust that the steel mowing deck will provide more durability than a plastic alternative.
- Convenient Handle - Not only is the handlebar is easily adjustable for user comfort, it also folds making it easy to transport and store the mower.
- Brushless Motor - The advanced brushless motor virtually eliminates maintenance while supplying the power and performance you expect from STIHL.
- Ball Bearing Wheels - The sealed ball bearing wheels are designed for long life.
* Estimated stock levels as of Sat, Apr 11, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.
Description
The RMA 510 gives homeowners the performance of a gasoline-powered mower without any of the hassles. Enjoy instant starting, less noise, zero gasoline costs, and zero exhaust emissions. It features a 21" steel mowing deck, so you can cover more lawn faster than previous models. The RMA 510 also includes a holding slot for a second battery, so you can swap batteries and be ready to cut again in seconds. It also features an adjustable handlebar, grass catcher, and large rear wheels for rough terrain. This battery-powered lawn mower is great for small to medium suburban yards.
Read Owners Manual for extended warnings and directions prior to use.
Specifications
General
| Catcher Capacity | 19.8 gal. |
|---|---|
| Coverage Area | 3,616 sq. ft. |
| Cutting Height | 1 inch – 3.9 inch |
| Cutting Width | 20 in |
| Includes | Self-Propelled Mower With AP300 S Battery And AL 301 Charger |
| Number of Positions | 7 |
| Power Source | Battery |
| RPM | Mowing Blade Speed: 3,200 rpm |
| Self Propelled | Yes |
| Series | RMA 510 |
| Type | Self-Propelled Mower |
Dimensions
| Cutting Path | 20 in |
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Manufacturing Details
The following information is subject to change without notice
| Manufacturer Warranty | 3 years |
|---|---|
| Prop 65 Warning |
WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
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Label Information
| Precautionary Statement | CAUTION: Improper use of any power tool may cause serious or fatal injury. Read, understand, and follow carefully the operating and safety instructions in your instruction manual before using such products. |
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Related Documents
Brochure (PDF)
Warranty (PDF)
