40V 21" Brushless Self-Propelled Lawn Mower w/ 5.0 Ah Battery

In stock
Model
2516402
$398.99
In stock
21-Inch Self Propelled Mower is rated 4.3 out of 5 by 111.
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  • 3 Year Limited Tool & Battery Warranty
Product intro
Cordless outdoor power tools are ideal for homeowners like you who are simplifying and focusing on what’s essential to getting the most out of life. The Greenworks 40V family of tools are built with medium weight construction and high-efficiency motors. The Greenworks 40V lithium-ion platform powers over 40 outdoor products, including lawn mowers, blowers, string trimmers, chainsaws, hedge trimmers, and much more! The 40V lithium-ion battery provides the power you need, and delivers fade-free power with no memory loss after charging. The Greenworks 40V platform comes with a 3 year tool / battery warranty to protect your investment. Of high-quality manufacturing, these products are easy to start and lighter weight than the gas products you’re used to, making your day of yard work a whole lot easier. Perfect for yards up to ⅓ acre, Greenworks 40V tools are lightweight, start instantly, and require virtually no maintenance – no gas, no oil, no mess – but still deliver gas-like power.
Key features
Highly efficient brushless motor provides more torque, quiet operation and longer life
Automatic battery switchover pulls power from the second battery once the first is depleted to eliminate downtime
Durable steel 21" cutting deck gets the job done quicker and more efficiently
The convenient 3-in-1 cutting deck lets you choose your cut finish from mulching, bagging or side discharge
Self-propelled drive system with variable speed rear-wheel drive lets you easily maneuver and tackle any terrain
Single lever 7-position heigh adjustment from 1-3/8'' to 3-3/4''
No gasoline, no pull cord, no spark plug, no maintenance
Hassle free push button start
Includes 5.0 Ah battery & charger
3 Year Limited Tool Warranty
Power:
Cordless
Voltage:
40V
Ideal For:
Up to ⅓ Acre
Drive System:
Rear-wheel-drive Self-propelled
Brushless Motor:
Yes
Deck Size:
21 Inches
Discharge Features:
3-in-1
Deck Material:
Steel
Cutting Heights:
7 Position
Max Cutting Height:
3-¾ Inch
Min Cutting Height:
1-⅜ Inch
Front Wheels:
8 Inches
Rear Wheels:
10 Inches
Tool Warranty:
3 Years
Battery Warranty:
3 Years
Battery Capacity:
5.0 Ah
  • (1) 40V 21" Self-Propelled Brushless Cordless Lawn Mower
  • (1) Grass Collection Bag
  • (1) 5.0 Ah Battery
  • (1) Battery Charger
  • (1) Owner's Manual
Rated 5 out of 5 by from Works great Works great. I've got plenty of extra batteries if needed, which is the biggest complaint with going electric.
Date published: 2021-05-14
Rated 5 out of 5 by from Love it:) This is my second greenworks lawn mower. I just love it! Self-propelled function is a big plus comparing to my previous one.
Date published: 2021-05-13
Rated 5 out of 5 by from Easy to use, control and store Easy to start and control. Stands upright to store.
Date published: 2021-04-26
Rated 5 out of 5 by from Mower Received my 21 inch 40 volt mower. When I got the mower the packaging was ok. The straps holding the handle were not in place. Had one cable bracket that was broke. No big deal, didn't affect the mower. Used the mower and it worked great. Battery lasted 40 min. Almost finished the lawn. Don't need to use the self propelled as much as the mower is lighter than a gas one. Had an extra 4 ah battery that finished the job. Would recommend. Go green.
Date published: 2021-04-26
Rated 5 out of 5 by from You should switch to electric. Bought this so I could use my Greenworks chainsaw battery as a backup. The supplied 5AH mower battery (option) is about twice what I need for normal mowing though. Mower works great, the easy height adjustment is well appreciated. Has plenty of power and the adjustable self propelling speed lever works great. Quiet and no gas! Cheaper than a gas model and much better.
Date published: 2021-04-25
Rated 5 out of 5 by from Great piece of equipment The Lawnmower works great, it is easy to adjust height of cut, light enough to push without using self propel, and the bag was easy to install and remove when full. Will continue to buy Greenworks tools.
Date published: 2021-04-23
Rated 5 out of 5 by from The perfect electric mower. I bought this lawnmower for the smaller areas around my house and other areas my zero turn mower can't do as easily. Man is this mower quiet! It starts up and stops extremely fast and I love not having to mess with a gas engine anymore. 11/10, would buy again.
Date published: 2021-04-21
Rated 5 out of 5 by from Just what I wanted for our new house! This mower is the machine I have been waiting for. Goes through higher grass as well as a gas mower of comparable size. Easy to prep right out of a box. Go ahead and buy the extra battery (a compartment for it "under the hood") and you are ready to mow all summer long! So glad I chose this mower and Greenworks!
Date published: 2021-04-19
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Rated 5 out of 5 by from Works great Works great. I've got plenty of extra batteries if needed, which is the biggest complaint with going electric.
Date published: 2021-05-14
Rated 5 out of 5 by from Love it:) This is my second greenworks lawn mower. I just love it! Self-propelled function is a big plus comparing to my previous one.
Date published: 2021-05-13
Rated 5 out of 5 by from Easy to use, control and store Easy to start and control. Stands upright to store.
Date published: 2021-04-26
Rated 5 out of 5 by from Mower Received my 21 inch 40 volt mower. When I got the mower the packaging was ok. The straps holding the handle were not in place. Had one cable bracket that was broke. No big deal, didn't affect the mower. Used the mower and it worked great. Battery lasted 40 min. Almost finished the lawn. Don't need to use the self propelled as much as the mower is lighter than a gas one. Had an extra 4 ah battery that finished the job. Would recommend. Go green.
Date published: 2021-04-26
Rated 5 out of 5 by from You should switch to electric. Bought this so I could use my Greenworks chainsaw battery as a backup. The supplied 5AH mower battery (option) is about twice what I need for normal mowing though. Mower works great, the easy height adjustment is well appreciated. Has plenty of power and the adjustable self propelling speed lever works great. Quiet and no gas! Cheaper than a gas model and much better.
Date published: 2021-04-25
Rated 5 out of 5 by from Great piece of equipment The Lawnmower works great, it is easy to adjust height of cut, light enough to push without using self propel, and the bag was easy to install and remove when full. Will continue to buy Greenworks tools.
Date published: 2021-04-23
Rated 5 out of 5 by from The perfect electric mower. I bought this lawnmower for the smaller areas around my house and other areas my zero turn mower can't do as easily. Man is this mower quiet! It starts up and stops extremely fast and I love not having to mess with a gas engine anymore. 11/10, would buy again.
Date published: 2021-04-21
Rated 5 out of 5 by from Just what I wanted for our new house! This mower is the machine I have been waiting for. Goes through higher grass as well as a gas mower of comparable size. Easy to prep right out of a box. Go ahead and buy the extra battery (a compartment for it "under the hood") and you are ready to mow all summer long! So glad I chose this mower and Greenworks!
Date published: 2021-04-19
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will this ship assembled?

Asked by: Anonymous
Hello there, No, some assembly is required upon arrival.
Answered by: Greenworks Support
Date published: 2021-06-09

I’ve had it about 3 years. Today it stopped working in the middle of the job. One battery 4.0 volt is a third charged and the other 2.0 volt is fully charged. When I try to restart both red lights come on and no go.

Asked by: Steve 43
Hello Steve 43, We are sorry to hear about this experience. So that we can appropriately address this concern, please contact us for assistance at 1-888-909-6757 or send an email to info@greenworkstools.com. Please ensure that you have access to the mower, battery, and charger so that all troubleshooting can be completed and necessary details can be gathered.
Answered by: Greenworks Support
Date published: 2021-06-07

We want to get an extra battery as we only got half our yard mowed with the one battery. We couldn't figure out how to order it online. Do we need to go back to the store where we bought it or how do we get one?

Asked by: BarbinOhio
Hello BarbinOhio, We are sorry to hear that you are experiencing trouble locating a replacement battery. This unit can be used with all Greenworks 40V battery models. The higher the ampere-hour (Ah) rating is on the battery, the more run time it has to offer. Here is a link to our 40V battery models! https://www.greenworkstools.com/shop-by-voltage/40v?cat=64
Answered by: Greenworks Support
Date published: 2021-05-25

how can I buy a battier .

Asked by: jerallsr1
Hello jerallsr1, This unit is compatible with Greenworks 40V battery models. Here is link: https://www.greenworkstools.com/shop-by-voltage/40v?cat=64 The higher the ampere-hour (Ah) ratting is on a battery, the more run time it has to offer. For a lawnmower, we recommend using a 4.0Ah battery or higher.
Answered by: Greenworks Support
Date published: 2021-05-25

what is the run time & charging time for battery ?

Asked by: gv27
Hello gv27, When using the supplied 5.0Ah battery, the unit is capable of providing a run time of up to 50 minutes in ideal conditions. However, it is very important to note that the actual run time each user receives will vary depending on the load acting against the unit and operator technique. The charge time is approximately 75 minutes.
Answered by: Greenworks Support
Date published: 2021-05-21

What size replacement blade fits this model?

Asked by: HR21
The blade part number is inside your owner's manual. The blade online is 2903402. This part can be ordered through our third party parts distributor here: https://greenworks.ordertree.com.
Answered by: Greenworks Customer Care
Date published: 2021-04-25

What is the weight of this? What is the difference of this to https://www.greenworkstools.com/40v-brushless-21-inch-lawn-mower-2525202az

Asked by: webz
Hello webz, The weight of this unit is 29 kg (64 lbs.). The are several differences between these units. 2525202AZ is newer and comes with 2x USB 4.0Ah batteries while this unit only comes with one of our original style 5.0Ah (no USB). In addition to the differences in battery, model 2525202AZ also has a Smart Pace™ self-propelled system that automatically adjusts to your walking speed versus set speeds and it features a dual-port battery system with automatic switch-over for longer, uninterrupted run-times – when one battery depletes, the mower’s power supply is automatically switched to the second battery.
Answered by: Greenworks Support
Date published: 2021-04-23

I have a 40 v cordless brushless self propelled lawnmower -- even at the turtle speed it is too fast -- anything I can do?

Asked by: Anonymous
Hello, We are sorry to hear that you are having this issue. The self-propelled speed varies between 2.3-4.44 fps (0.7-1.35 m/s). Unfortunately, it cannot be slowed down further.
Answered by: Greenworks Support
Date published: 2021-04-21
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40V 21" Brushless Self-Propelled Lawn Mower w/ 5.0 Ah Battery
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