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Tools & Outdoors

Which Greenworks 40V Lawn Mower Is Right for Your Yard?

6 models compared October 12, 2026 10 min read

Specs below are quoted from each Amazon listing. Scores are out of 10, based on listed specifications and buyer feedback. Nothing on this page was handled or measured by us.

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Choosing the right greenworks 40v lawnmower comes down to matching your yard size and landscape to the proper deck width, drive type, and motor design. Homeowners transitioning away from gas equipment often favor the Greenworks 40-volt battery ecosystem because a single lithium-ion pack powers various lawn maintenance tools. Instead of guessing between subtle model differences, you can narrow your search by understanding how deck widths from 16 to 21 inches translate into mowing time and physical exertion. Finding the appropriate configuration prevents unnecessary battery swaps and makes weekend yard care straightforward.

This greenworks 40v lawn mower comparison covers six distinct models across the brand’s popular 40V lineup. These configurations feature key differences in motor efficiency, deck materials, debris handling modes, and push versus self-propelled mechanics. Compact 16-inch and 17-inch decks offer agile handling for tight residential lots, while wider 20-inch and 21-inch platforms add steel decks, dual battery capability, headlights, and variable-speed propulsion for larger properties. Comparing these core specifications makes it simple to determine which greenworks 40v mower to buy for your property.

Which Greenworks 40V Cordless Lawn Mowers Should You Buy

  • Small urban yards up to one-third acre: Greenworks 40V 16in Push Lawn Mower (Model 25322)
    see 1 of 6
  • Compact properties needing quiet brushless power: Greenworks 40V 16in Push Lawn Mower (Model LMF417)
    see 1 of 6
  • Quarter-acre residential lots wanting light handling: Greenworks 40V 17in Push Lawn Mower
    see 3 of 6
  • Open half-acre lawns requiring steel deck durability: Greenworks 40V 21in Push Lawn Mower (Model LMF413)
    see 4 of 6
  • Early morning mowing with four-in-one debris control: Greenworks 40V 20in Push Lawn Mower (Model MO40L415)
    see 5 of 6
  • Hilly or expansive half-acre terrain: Greenworks 40V 21in Self-Propelled Lawn Mower (Model MO40L517)
    see 6 of 6

1 of 6
Greenworks

Greenworks 40V 16in Push Lawn Mower

Greenworks 40V 16in Push Lawn Mower, 4.0 Ah Battery and Charger
Greenworks 40V 16in Push Lawn Mower

9.4
/10
Our score


Top-rated
Scored 9.2/10 or higher


Check it on Amazon

Affiliate link. Price and stock live at Amazon and change there, not on this page.

Best for
Small lawns prioritizing quiet brushless motor efficiency

Pros

  • Brushless motor design
  • Weighs only 33.5 pounds
  • 120-minute battery recharge time

Cons

  • Limited to 16-inch cutting width
Greenworks 40V 16in Push Lawn Mower
Greenworks 40V 16in Push Lawn Mower

Best for
Suburban yards needing lightweight basic push mowing

Pros

  • Lightweight 37.5-pound build
  • Single lever 5-position adjustment
  • Mulching and bagging support

Cons

  • Lacks side discharge capability

The Greenworks 40V 16in Push Lawn Mower (model greenworks 25322) offers a straightforward entry point for suburban homeowners maintaining smaller parcels. Featuring a 16-inch cutting width, this greenworks 40v push mower cuts up to one-third of an acre on a full charge of its included 4.0Ah battery, with actual coverage varying by grass thickness. Weighing 37.5 pounds, the unit is roughly 35 percent lighter than comparable steel deck units, allowing smooth navigation around garden beds and fenced perimeters.

Height adjustments are managed via a single lever offering 5 positions. The 2-in-1 cutting system accommodates clean rear bagging with the supplied collection bag or mulching directly into the turf. If you maintain crisp boundaries using a greenworks 40v edger, the shared battery pack simplifies your lawn maintenance routine. This push model suits flat, modest yards where compact storage and lightweight agility take priority over wide cutting paths.

  • 16-inch cutting deck rated for properties up to one-third acre
  • Weighs 37.5 pounds for effortless turning and transport
  • Single-lever 5-position cutting height adjustment mechanism
  • 2-in-1 system providing rear bagging and mulching capabilities

Greenworks 40V 16in Push Lawn Mower

For homeowners seeking greater motor efficiency in a lightweight footprint, this version of the Greenworks 40V 16in Push Lawn Mower (model greenworks LMF417) incorporates an upgraded brushless motor. Brushless technology delivers increased torque, quieter operation, and extended motor life. Greenworks rates this greenworks 40v 16 inch mower for yards up to one-half acre, offering up to 30 minutes of runtime from the included 4.0Ah battery, which recharges completely in 120 minutes.

Weighing 33.5 pounds, this machine is four pounds lighter than model 25322, making it exceptionally easy to lift and steer. The single-lever 5-position height adjustment spans from 1-1/4 inches to 3-3/8 inches to match varied turf conditions. It also features a 2-in-1 configuration for mulching and rear bagging. While expansive lawns require wider decks, this model provides the ideal balance of brushless performance and featherweight handling for compact yards.

  • Brushless motor providing increased torque and quiet operation
  • Lightweight 33.5-pound frame for effortless maneuvering
  • Single-lever height adjustment ranging from 1-1/4 to 3-3/8 inches
  • Includes a 4.0Ah battery that fully recharges in 120 minutes

3 of 6
Greenworks

Greenworks 40V 17in Push Lawn Mower

Greenworks 40V 17in Push Lawn Mower, 4.0 Ah Battery and Charger
Greenworks 40V 17in Push Lawn Mower

9.6
/10
Our score


Top-rated
Scored 9.2/10 or higher


Check it on Amazon

Affiliate link. Price and stock live at Amazon and change there, not on this page.

Best for
Quarter-acre lawns wanting quiet operation

Pros

  • Quiet brushless motor operation
  • 6-position single lever height adjustment
  • Mulching and rear bagging options

Cons

  • Smaller 16.14-inch actual cutting width

The Greenworks 40V 17in Push Lawn Mower is designed for quiet residential mowing with minimal physical effort. Listed with a 16.14-inch actual cutting width, this model features a corrosion-resistant plastic deck that keeps overall weight low. Its brushless motor runs 30 percent quieter than gas equivalents while delivering robust torque under load, starting instantly via push button without pull cords, gas, or motor oil.

The included 4.0Ah battery yields up to 35 minutes of greenworks cordless lawn mower battery runtime, making it well suited for small to medium properties up to one-quarter acre. A single adjustment lever toggles through 6 cutting heights to handle tall grass or maintain groomed turf. Supporting 2-in-1 mulching and bagging, this mower is perfect for homeowners with small, level lawns who want quiet operation and simple push-button reliability.

  • Brushless motor running 30 percent quieter than gas mowers
  • Single-lever 6-position cutting height adjustment system
  • Delivers up to 35 minutes of runtime on a 4.0Ah battery charge
  • 2-in-1 versatility supporting grass mulching and rear bagging

4 of 6
Greenworks

Greenworks 40V 21in Push Lawn Mower

Greenworks 40V 21in Push Lawn Mower, 5.0 Ah Battery and Charger
Greenworks 40V 21in Push Lawn Mower

8.0
/10
Our score


Check it on Amazon

Affiliate link. Price and stock live at Amazon and change there, not on this page.

Best for
Sloped or expansive yards needing self-propulsion

Pros

  • Variable speed rear-wheel drive
  • Durable 21-inch steel deck
  • Integrated LED lighting and 4-in-1 system

Cons

  • Heavier weight at 73.9 pounds

Best for
Half-acre properties needing durable steel deck coverage

Pros

  • Wide 21-inch steel cutting deck
  • Up to 60 minutes runtime
  • Dual battery storage port design

Cons

  • Heavier 62-pound push frame

When yard dimensions expand toward half an acre, the Greenworks 40V 21in Push Lawn Mower (model greenworks LMF413) delivers broad swath coverage and heavy-duty durability. Built around a 21-inch steel deck with a 20.28-inch cutting width, this model withstands rough terrain and debris strikes. Powered by a brushless motor and a 5.0Ah battery, it provides up to 60 minutes of continuous runtime depending on grass density.

A key highlight of this greenworks 40v 21 inch mower is the dual battery port design, which stores a second battery onboard so you can swap packs without walking back to storage. It features 3-in-1 clipping disposal with mulching, rear bagging, and side discharge. The listing also notes 7 height positions, a turbo button for leaf collection, and vertical storage that frees up 70 percent of garage floor space. At 62 pounds, it requires more pushing effort than plastic models, but excels on wide suburban lawns.

  • Rugged 21-inch steel deck with 20.28-inch cutting width
  • Brushless motor and 5.0Ah battery deliver up to 60 minutes runtime
  • Dual battery port design allows onboard spare battery storage
  • 3-in-1 functionality supports mulching, bagging, and side discharge

5 of 6
Greenworks

Greenworks 40V 20in Push Lawn Mower

Greenworks 40V 20in Push Lawn Mower, 4.0 Ah Battery and Charger

8.8
/10
Our score


Check it on Amazon

Affiliate link. Price and stock live at Amazon and change there, not on this page.

Best for
Low-light mowing with four-in-one debris management

Pros

  • Integrated front LED headlight
  • 4-in-1 mulch bag discharge pickup
  • Vertical storage saves 70% space

Cons

  • Push drive requires manual effort

The Greenworks 40V 20in Push Lawn Mower (model greenworks MO40L415) combines medium-deck cutting efficiency with thoughtful usability upgrades. Tailored for lawns up to one-third acre, this unit features a 20-inch cutting width powered by a high-torque brushless motor running three times quieter than gas engines. It comes packaged with a 4.0Ah battery and fast charger to keep maintenance routines gas-free and odorless.

This model provides 4-in-1 clipping versatility, allowing you to mulch, bag, side discharge, or engage turbo leaf pickup for seasonal yard debris. Integrated LED headlights illuminate early morning and dusk sessions, accommodating busy schedules. Foldable aluminum handles support vertical storage to save 70 percent garage floor space, while a single lever adjusts across 7 cutting heights. It suits homeowners who want advanced debris options and lighting without the weight of a heavy steel deck.

  • High-torque brushless motor operating three times quieter than gas
  • Versatile 4-in-1 mulching, bagging, side discharge, and leaf pickup
  • Integrated bright LED headlights for early morning and evening mowing
  • Foldable aluminum handles enable 70 percent vertical space savings

6 of 6
Greenworks

Greenworks 40V 21in Self-Propelled Lawn Mower

Greenworks 40V 21in Self-Propelled Lawn Mower, 5.0 Ah Battery and Charger

8.2
/10
Our score


Check it on Amazon

Affiliate link. Price and stock live at Amazon and change there, not on this page.

For homeowners tackling hills, thick turf, or half-acre properties, the Greenworks 40V 21in Self-Propelled Lawn Mower (model greenworks MO40L517) minimizes physical fatigue. Unlike manual push units, this greenworks 40v self-propelled mower features rear-wheel drive with variable speed adjustment. The motorized drive ensures steady traction and consistent walking pace across sloped or uneven ground.

Built with a durable 21-inch steel deck and powered by a brushless motor three times quieter than gas, this mower includes a high-capacity 5.0Ah battery. It features bright LED headlights and a 4-in-1 system supporting mulching, bagging, side discharge, and leaf collection. Weighing 73.9 pounds, it relies on its drive system to do the heavy work, making it best for open or rolling terrain. If you also clear winter driveways using a greenworks snow thrower 40v, the included 5.0Ah battery integrates directly into that equipment.

  • Self-propelled rear-wheel drive with variable speed control
  • Durable 21-inch steel deck designed for demanding half-acre yards
  • High-torque brushless motor three times quieter than gas
  • Comprehensive 4-in-1 mulching, bagging, discharge, and leaf pickup system

What Sets These Models Apart

Choosing the right Greenworks 40V mower involves balancing deck dimensions, motor architecture, drive mechanisms, and clipping disposal options. Compact composite decks minimize weight, while wider steel decks maximize durability across larger lawns. Review the direct model comparison below to select the right platform for your yard layout.

Model Deck Width & Material Drive Type Motor Type Included Battery
Greenworks 40V 16in Push (25322) 16 in (Lightweight) Push Brushed 4.0Ah
Greenworks 40V 16in Push (LMF417) 16 in (Lightweight) Push Brushless 4.0Ah
Greenworks 40V 17in Push 16.14 in (Plastic) Push Brushless 4.0Ah
Greenworks 40V 21in Push (LMF413) 21 in (Steel) Push Brushless 5.0Ah
Greenworks 40V 20in Push (MO40L415) 20 in (Lightweight) Push Brushless 4.0Ah
Greenworks 40V 21in Self-Propelled (MO40L517) 21 in (Steel) Self-Propelled Brushless 5.0Ah

Figures in this table are copied from the Amazon listings for these models.

Buying Tips for Greenworks 40V Cordless Lawn Mowers

When evaluating Greenworks 40V cordless lawn mowers, start by matching deck width to total lawn acreage. Compact 16-inch and 17-inch cutting paths navigate gates, garden borders, and tight corners effortlessly, making them ideal for urban and small suburban parcels up to one-third acre. If your yard approaches one-half acre, stepping up to a 20-inch or 21-inch cutting deck reduces the total number of passes needed. If you perform seasonal lawn renovation with a greenworks 40v dethatcher scarifier, having compatible 40V batteries on hand ensures you can tackle dethatching immediately after mowing.

Drive selection and deck material directly impact mowing comfort. Steel decks provide high durability against hidden rocks and roots, but increase overall weight significantly. For flat, obstacle-rich yards, an ultralight push mower weighing under 38 pounds maneuvers easily without taxing your shoulders. If your property features inclines, uneven ground, or thick grass varieties, a self-propelled unit with variable-speed rear-wheel drive takes the strain out of cutting uphill.

Battery capacity and storage convenience should also guide your selection. Standard 4.0Ah batteries provide sufficient runtime for small to mid-sized properties, while 5.0Ah packs give larger 21-inch decks up to an hour of working endurance. Selecting a model with vertical folding storage lets you reclaim floor space in small garages. For a broader overview of electric cutting tools across deck sizes and battery platforms, check our comprehensive greenworks electric lawn mower guide to evaluate your equipment options.

FAQ

How long does the battery last on a Greenworks 40V mower?

Runtime depends on the battery capacity, motor type, and turf conditions. Compact 16-inch and 17-inch push mowers with a 4.0Ah battery typically run for 30 to 45 minutes on a charge. Larger 21-inch brushless models with a 5.0Ah battery can achieve up to 60 minutes of continuous runtime in standard cutting conditions.

Can I use Greenworks 40V mower batteries in other Greenworks tools?

Yes. Greenworks 40V batteries work across more than 75 outdoor power tools in the Greenworks 40V lineup. You can swap the 4.0Ah or 5.0Ah battery from your mower into string trimmers, blowers, hedge clippers, and chainsaws on the same platform.

What is the difference between brushless and brushed Greenworks mowers?

Brushless motors use electronic controllers rather than carbon brushes, resulting in higher torque under thick grass, quieter operation, and longer motor life. Brushed motors provide dependable basic cutting performance, but brushless models offer superior battery efficiency and power output.

Can Greenworks 40V mowers be stored vertically?

Several models, including the 20-inch MO40L415 and 21-inch LMF413, feature folding handle designs tailored for vertical storage. This setup allows the machine to rest upright against a wall, saving up to 70 percent of garage floor space compared to flat storage.

How does the 4-in-1 mowing system work?

The 4-in-1 system provides four distinct ways to manage grass clippings: mulching nutrients back into the soil, collecting clippings in a rear fabric bag, discharging from the side in overgrown grass, and using turbo suction mode to vacuum up fallen leaves.