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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.

On A Single Charge™. *Run time may vary based on battery type, charge level and capacity, model, operating style, and conditions. Batteries and chargers can be purchased separately or as a combined set with tool.

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RMA 510 Specs & Compare
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CUTTING HEIGHT1.4" - 3.5"
POWER SOURCEBattery
WEIGHT59.5 lbs.
DECK WIDTH21 in.
CUTTING WIDTH20 in.
AREA MOWED (W/ AP 300 S)3,616 sq. ft.
BATTERY SYSTEMAP System
SELF-PROPELLEDNo
GRASS CATCHER CAPACITY19.8 gal.

Note: Area mowed is calculated based on a working speed of 1.55 mph and cutting 3.94” (10cm) dry grass to a length of 1.97” (5cm). Weight is with bag but without mulch insert and side-discharge shoot.

RMA 510 Features & Benefits
  • 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.
  • Multiple Storage Options - The mower can be stowed in three positions: folded on all four wheels, unfolded on all four wheels, or upright and folded in the cleaning position with blades facing the wall to save floor space.
  • Battery Life - With no gradual drop in power, users can work at full speed until the battery is depleted.
  • Power Switch - Just push the button and pull the switch lever for instant startup.
  • Locking Key - Key prevents accidental starting of the motor.
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