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Greenworks 40V 21" Brushless (Smart Pace) Self-Propelled Lawn Mower, String Trimmer, 2 x 4Ah USB (Power Bank) Batteries and Charger Included MO40L4414

  • Based on 21 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon

Arrives Thursday, Mar 12
Order within 58 minutes
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Features

  • CORDLESS LAWN MOWER - Get more done, faster, with Greenworks electric lawn mowers. This 40V self-propelled lawn mower provides up to 70 minutes of run-time with (2) fully charged 4.0Ah batteries (varies based on grass condition and operator technique)
  • DURABLE 21" STEEL DECK - This electric mower features a durable 21" deck, and a highly efficient brushless motor that provides more torque, quiet operation, and longer life. Single lever 7 position height adjustment provides the best cut in all environments. 3-in-1 design offers rear bag, side discharge, and mulching capabilities
  • SMART PACE - self-propelled system automatically and smoothly adjusts to your walking speed
  • VERTICAL STORAGE - Save 70% more space with vertical storage
  • 12" STRING TRIMMER - .065" dual line, auto feed head for quick and easy line advancement. Variable speed trigger allows you to control cutting speed on the go, so you can easily maneuver around plants and shrubs
  • MAINTENANCE FREE - The walk behind lawn mower and string trimmer is virtually maintenance free, with no gas, no oil, and no emmisions. It starts instantly, is quiet, and delievers the power you need

Brand: Greenworks


Power Source: Battery Powered


Color: Black, Green


Cutting Width: 21 Inches


Speed: 8000 RPM


Brand: Greenworks


Power Source: Battery Powered


Color: Black, Green


Cutting Width: 21 Inches


Speed: 8000 RPM


Assembly Required: No


Pattern: Mower + Trimmer


Is Cordless?: Yes


Style: Mower + Trimmer


Size: 21" Mower + Trimmer (2 x 4.0Ah)


Manufacturer: Greenworks


Item model number: MO40L4414


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Mar 12

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews


  • Still running strong after 3 years
Love em! Great for a mid sized yard
Reviewed in the United States on September 24, 2024 by Matthew Carter

  • Intentionally undersizing discharge port in production?
Used for nearly 3 years from 1” to 7+” grass- rye, bermuda, fescue on less than an acre of residential property. Is quiet enough when balanced. Has great height adjustment. Had to go with the 40v model as the 80v was out of stock for months. Lacks torque. Blade must be sharpened. A heavier blade may be better to maintain momentum so I didn’t thin it. Very difficult to clean the tires, the blade attachment plastic ridges, the discharge port, the air intake vent for the battery. Screws catch grass at the discharge port. Doesn’t discharge well. Stopping every 5 feet in 5 inch grass at times to remove material from the underside. The metal hole of the side discharge port is slightly undersized by a quarter to half inch. So I cut the metal and made it fit the plastic discharge guide that came with it. Probably how it was supposed to be sized seeing how it works much better after I did that. Production flaw? It needs a plug for the bag port so it doesn’t require constant clearing so it can mulch or discharge from the side and this should be included. It only draws power from one battery at a time and the torque and power will drop depending on how your battery feels that day or if it overheats or was charged too quickly. I think it will probably last longer than I am willing to put up with cleaning it. Will probably will never buy another electric mower again. Ideally this would have better torque, stable power output, no cleaning issues, plugs, proper discharge and an ultra thin edged heavy blade to perfectly max size at a 30” to fit through regular doors. ... show more
Reviewed in the United States on November 15, 2025 by Samuel M.

  • Could use a little more power
I notice the battery works over time on steep inclines which kills the battery. Best bet is attack a hill from side to side rather than up and down. If youve got a normal sized yard id pick up more greenworks batteries and chargers. 3 to 4 batteries. You'll need em
Reviewed in the United States on July 6, 2024 by Peter Torres

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