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STIHL®

21-Inch Self-Propelled Mower With AP300 S Battery And AL 301 Charger

Mfg.#: RMA 510 SET SUPER
Sku#: 3739919

$599.99 /EA

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

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.

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.

21-Inch Self-Propelled Mower With AP300 S Battery And AL 301 Charger

Description

Specifications

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