40V 20 IN. BRUSHLESS Self-Propelled Mower

Model: #RY40190

4.7 | 2606 Reviews
Visit the interactive landing page to learn more about 40V GAS-LIKE Power. RYOBI continues to innovate and redefine the cordless lawn mower with the 20 in. 40-Volt Brushless Lithium-Ion Cordless Electric Self-Propelled Lawn Mower. This self-propelled mower features rear wheel drive, providing more traction for powering up hills and increased control for easily mowing in straight lines. This mower delivers GAS-LIKE power from an intelligent brushless motor with load-sensing technology, which allows it to detect and deliver the power needed to maintain an optimal cutting speed, maximizing power and run time. Equipped with a large 20 in. deck and 2-in-1 mulching and bagging option, you can get you lawn work done quickly and just the way you like it. This mower also includes convenient, easy-to-use features that make it a great option for any user. With its easy start and 7-position single-point height adjustment, start mowing in seconds without the hassle of gas and oil. Adjustable telescopic handles allow you to set the perfect height for you to maximize comfort and reduce fatigue. This mower has quick released knobs and is designed to be stored vertically for easy and compact storage. It is equipped with a 5.0 Ah 40-Volt Lithium-Ion high-capacity battery for extended run time. The included battery and charger are compatible with any of the RYOBI 40-Volt tools. Backed by a 5-year warranty.


Ryobi five year warranty
*Tool Warranty

All RYOBI 40V tools are covered by a 5-year limited warranty.

Ryobi three year battery warranty logo
* Battery Warranty

All RYOBI batteries are covered by a 3-year warranty.

View our current promotions for new product releases and the latest RYOBI savings!

Ryobi Help+

Your one stop destination for tips & techniques, manuals, troubleshooting, FAQs and more!


  • Battery: 40V 5.0 Ah High Capacity Lithium-ion
  • Deck Size: 20"
  • Mowing Function: Mulching & Bagging
  • Cutting Height: 1.5 - 4"
  • Rear Wheel Size: 10"
  • Front Wheel Size: 8"
  • Drive Type: Rear-Wheel Self-Propelled
  • Weight: 55 lbs


  • 40V 20" Self-Propelled Mower
  • 40V 5.0 Ah High Capacity Lithium-ion Battery
  • 40V Lithium-ion Battery Charger
  • Grass Catcher Bag
  • Start Key
  • Mulch Plug
  • Operator's Manual


40V 20 IN. BRUSHLESS Self-Propelled Mower