Walk-behind lawn mowers remain a staple for maintaining residential lawns, offering control and maneuverability for various yard sizes and terrains. They are commonly used for routine grass cutting, mulching, and bagging, providing a clean finish. Products were evaluated based on power source, deck size, propulsion type, battery life, user reviews, and feature analysis.
Greenworks 40V 21" Self-Propelled Cordless Lawn Mower – Brushless Motor, 5.0Ah Battery & Charger(75+ Tool Compatible)
$429.99
This Greenworks 40V 21" model offers a powerful brushless motor, self-propelled variable speed, and practical features like LED headlights, making it highly versatile for most users.
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Greenworks 40V 16" (Push) Cordless Lawn Mower, 4.0Ah Battery (1/3 Acre, Push Button Start, Compatible with 75+ Tools)
$249.99
The Greenworks 40V 16" cordless mower is an ultra-light push model, ideal for smaller yards seeking an effortless, compact, and affordable battery-powered solution.
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Greenworks 48V (24V x 2) 21" Brushless Self-Propelled Mower+12" String Trimmer+320CFM Blower,(2) 5.0Ah Batteries and 4A Dual Port Charger
$449.00
This Greenworks 48V (24V x 2) bundle includes a 21" self-propelled mower along with a string trimmer and blower, delivering a comprehensive and powerful yard care system.
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- 4-Position Cutting Height Adjustment: This battery lawn mower offers 4 cutting height settings from 1.3 inches to 2.6 inches to match seasonal growth and your preferred cut.
- Wide Cut and Bagging: The 13-inch deck helps you cover more ground with fewer passes, and the 30L removable rear bag makes cleanup simple. A 2-step safety start helps prevent accidental start-up for added peace of mind.
- Dual-Battery Runtime: Powered by two 20V 4.0Ah lithium batteries, this electric lawn mower provides up to 30 minutes of runtime on a full charge. Swap batteries to reduce downtime and keep mowing moving. Ideal for small to medium lawns. Runtime may vary...
- Complete Kit Included: Includes 1× 13-inch cordless lawn mower, 2× 20V 4.0Ah batteries, 1× single-port charger, and 1× 8-gallon grass bag. Easy to assemble and simple to use.
- Select Cut Multi-Blade System for premium cutting performance that exceeds gas
- Touch Drive Self Propelled Technology puts complete control in the palm of your hands
- Get 60 minutes of run time on single charge with the included 56V 7.5Ah ARC Lithium battery
- High-efficiency brushless motor
- Adjustable self-propel speed: 0.9 MPH – 3.1 MPH
- 7-position cutting height adjustments: 1.5"- 4"
- 3-in-1 function: mulching, bagging, side discharge
- Quick and easy push-button start
- Bright LED headlights
- 60-minute charge time when used with the recommended 7.5 Ah ARC Lithium battery and Powerplus Rapid Charger
- [16" LAWN MOWER] - This 40V lawn mower cuts up to 1/3 acre with fully charged 4.0Ah battery (varies based on grass condition and operator technique)
- [ULTRA LIGHTWEIGHT] - 35% lighter than steel deck mowers
- [SINGLE LEVER HEIGHT ADJUST] - 5 position height adjustment
- [2-IN-1 SYSTEM] - Mulch and rear bagging
- [MAINTENANCE FREE] - The walk behind lawn mower is virtually maintenance free, with no gas, no oil, and no emissions. It starts instantly, is quiet, and delivers the power you need
- [3-YEAR WARRANTY]
- 🏘️Fuel-Efficient 170cc OHV Engine: Powered by a 170cc 4-cycle OHV engine, our gas self propelled lawn mower delivers consistent, smooth performance for tackling thick grass and everyday yard work. The fuel-efficient design runs up to 1.5 hours on a...
- 🏘️Self-Propelled & Push Mode: Tackle any lawn your way. Switch seamlessly between self-propelled drive for effortless mowing on slopes and thick grass, or push mode for lighter, precise control. Paired with a large 65L / 17.5 gal grass bag, it...
- 🏘️4-in-1 Cutting System for Total Lawn Control: Unlike standard 3-in-1 mowers, this our 4-in-1 gas lawnmower offers mulching, rear bagging, side discharge, and rear discharge, giving you the flexibility to handle different grass types. Beyond this...
- 🏘️Precision 7-Position Height Adjustment: With 7 adjustable cutting heights from 1" to 3", this 21-Inch push gas mower allows precise control for different grass types and lawn preferences. Achieve a uniform, professional-looking cut whether you're...
- 🏘️Quick Assembly – Ready to Use in Minutes: Our lawn mower gas powered comes pre-assembled out of the box, saving you time and effort. Simply attach the handle and secure it with the twist-lock knobs — no tools or complicated setup required...
- 🏘️Durable Steel Blade & Space-Saving Foldable Design: Built with a high-carbon steel blade for cleaner cuts and long-lasting durability, our self propelled gas lawn mower is made for dependable performance. The foldable handle reduces storage size to...
- Reliable Engine: Experience high performance and longer working life with the 144cc 4-stroke OHV engine, engineered with a stabilized body structure for maximum durability.
- Easy Start System: Equipped with auto choke for easy start, and primer structure for better starting.
- 21“ Steel Deck: Featuring a 21" durable steel deck built to last through tough yard tasks, the specialized blade delivers finely mulched clippings and a clean, even cut every time.
- Effortless Maneuvering: Designed with 10" rear / 7" front double ball-bearing wheels for smooth control and easier pushing around your yard.
- 3-in-1 Mowing Function: Mulching, bagging, or side discharge. This versatile system lets you nourish your lawn with fine mulch, simplify cleanup with bagging, or power through tall grass with side discharge.
- Adjustable Cutting Height: Single-lever height adjustment with 6 cutting positions allows you to choose your cut from 1.5" to 3.9".
- Exclusive and industry-leading CVT (Continuously variable transmission) offers superior speed variability to adjust the mower pace to your walking speed by simply selecting the 6-speed shift lever
- Exclusive rubber tires with aggressive spiked tread pattern significantly increase overall traction and maneuverability
- Starting made easier with the automatic choke system, no need to prime or choke the engine
- Quickly clean the underside of the cutting deck with the deck cleanout port
- Single-lever deck adjustment for quickly setting your mow height
- POWERED BY A RELIABLE OHV ENGINE: Equipped with a powerful 170cc OHV engine, known for its smooth start-up, consistent performance, and long-term durability—ideal for tough mowing jobs.
- 21-INCH CUTTING WIDTH FOR HIGH EFFICIENCY: The robust steel deck covers a wide 21-inch path, reducing mowing time and making it perfect for medium to large yards.
- 3-IN-1 FUNCTION: BAGGING, MULCHING & REAR DISCHARGE: Switch easily between modes: collect clippings in the 1.4-bushel bag, mulch to nourish your lawn, or rear-discharge for quick and efficient mowing.
- 6-POSITION HEIGHT ADJUSTMENT: Quickly adjust the cutting height from 1.5"" to 3.9"" with a single lever to match grass length, season, or preferred lawn look.
- SELF-PROPELLED WITH LARGE REAR WHEELS: Rear-wheel drive and 10"" large rear wheels offer excellent traction and maneuverability on slopes or uneven terrain.
- GAS-LIKE POWER WITHOUT THE HASSLE – 50% more torque than 40V mowers & 3200 RPM blade speed (matches 150cc gas mowers)—zero fumes, noise, or maintenance!**
- IPX4 WATERPROOF & STEEL DECK – Built to handle rain, damp grass, and tough conditions with a heavy-duty steel deck and rust-resistant design.
- SMARTCUT SELF-SHARPENING BLADES – Dual blades adjust power automatically for tall, wet, or thick grass—no bogging down!** Plus, 4-in-1 versatility (mulch, bag, side-discharge, turbo leaf mode).
- EASY-PUSH DESIGN & LED LIGHTS – Oversized 10” rear wheels + 8” front tires for smooth maneuvering. LED headlights let you mow early mornings or late evenings with no visibility issues.
- DUAL-PORT AUTO-SWITCH TECH – Seamlessly switches to a 2nd battery when the first drains (no stopping!**). Compatible with 75+ Greenworks 60V tools for a full yard system.
- COMPLETE ECOSYSTEM VALUE- Battery-powered lawn mower includes battery, fast charger, grass bag & 4 year tool + 4 year battery warranty Works with 75+ Greenworks 60V tools(trimmers, blowers, chainsaws...)—expand your cordless toolkit.
- POWERFUL PERFORMANCE: Tackle your yard with 3,300 RPM of power and a 14-inch cutting width
- ENVIRONMENTALLY FRIENDLY: No gas or batteries needed to power the mower
- CUSTOMIZE YOUR CUT: Effortlessly change the height of your cut with 5 cutting positions varying between 1.4-inches and 3-inches
- MAX MANEUVERABILITY: Features 7.75-inch rear wheels for easy navigation around the lawn
- 7-GALLON COLLECTION BAG: Neatly stores grass clippings for a tidier lawn
- LIGHTWEIGHT & COMPACT DESIGN: Weighs only 28lbs and push handles fold for extremely compact storage
- Electric Start simplifies the starting process, making your gardening tasks more efficient and stress-free
- Exclusive and industry-leading CVT (continuously variable transmission) offers superior speed variability to adjust the mower's pace to match your walking speed by simply selecting the 6-speed shift lever.
- Durable, one-piece seamless steel deck reduces vibration for a smoother owing experience.
- Easily clean the underside of the cutting deck with the deck cleanout port.
- Single-lever deck adjustment for quickly setting your mow height.
- To quickly set your mowing height with seven options ranging from 1.57” to 3.74”.
- Double ball bearing wheels for an easy and smooth rolling and an extended durability.
- MAXFlow Deck Technology – features a volute spiral deck design for better airflow and mulching performance.
- Heavy-duty, 16-gauge stamped steel deck.
This article is part of our complete guide Garden Tools — browse all our comparisons and buying guides.
Last update on 2026-07-17 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Walk-Behind Lawn Mowers
Power Source and Performance
The choice between gas, corded electric, and cordless electric significantly impacts a mower's performance and maintenance. Gas mowers, like the YARDMAX 22 in. 201cc, typically offer robust power and extended runtime without being tethered, making them suitable for larger, tougher lawns. However, they require fuel, oil changes, and produce emissions and noise. Cordless electric models, such as the Greenworks 40V series or the MZK 20V, provide a quieter, emission-free experience with less maintenance. Their runtime is limited by battery capacity, usually ranging from 30 to 75 minutes depending on the battery (e.g., 4.0Ah vs. 5.0Ah) and grass conditions. Brushless motors, found in many Greenworks and MZK models, are reported to deliver more power, longer life, and greater efficiency than brushed alternatives.
Deck Size and Propulsion
Deck size dictates how much ground a mower covers with each pass, directly affecting mowing time. Smaller decks, like the MZK 13-inch or Greenworks 16-inch, are ideal for compact yards or areas with tight turns, prioritizing maneuverability. For larger properties, a 21-inch or 22-inch deck, as seen in the Greenworks 40V 21" or YARDMAX 22 in. models, can significantly reduce the time spent mowing. Propulsion type is another critical factor. Push mowers, such as the Greenworks 40V 16" Cordless, require the user to manually propel them, which is suitable for smaller, flatter yards. Self-propelled mowers, like the YARDMAX 22 in. or Greenworks 40V 21" Self-Propelled, feature a drive system that propels the mower forward, greatly reducing user fatigue, especially on larger or sloped lawns.
Ergonomics and Additional Features
Comfort and convenience features can drastically improve the mowing experience. Ergonomic handles and ultra-lightweight designs, like the Greenworks 40V 16" model, make maneuvering easier. Height adjustment systems vary, with single-lever controls (e.g., Greenworks 40V 16" offers 5 positions) generally being more convenient than individual wheel adjustments (e.g., MZK 20V 13" offers 4 positions). Look for 2-in-1 or 3-in-1 capabilities (bagging, mulching, side discharge) to manage grass clippings effectively. Some advanced cordless models, like the Greenworks 40V 21" Self-Propelled, even include LED headlights for extended mowing hours. The YARDMAX 22 in. gas mower features an automatic choke system, which simplifies starting and eliminates the need for manual priming.
Pros & Cons
Greenworks 40V 16" (Push) Cordless Lawn Mower, 4.0Ah Battery (1/3 Acre, Push Button Start, Compatible with 75+ Tools)
Pros
- Ultra-lightweight design (35% lighter) enhances maneuverability and reduces fatigue.
- Cordless 40V system provides gas-like performance for smaller yards without emissions.
- Single-lever 5-position height control offers easy adjustment for various grass types.
Cons
- 16-inch deck may require more passes for larger lawn areas.
- Limited runtime (45 minutes) with the included 4.0Ah battery might not suffice for bigger yards.
YARDMAX 22 in. 201cc Select PACE 6 Speed CVT High Wheel FWD 3-in-1 Gas Walk Behind Self Propelled Lawn Mower, Black (YG2860)
Pros
- 201cc gas engine with CVT offers superior speed variability for diverse mowing conditions.
- 22-inch cutting deck covers a wide area, reducing mowing time for larger properties.
- Automatic choke system simplifies starting, eliminating manual priming.
Cons
- Requires fuel and oil, leading to more maintenance compared to electric models.
- Gas mowers typically produce more noise and emissions.
Greenworks 40V 21" Self-Propelled Cordless Lawn Mower – Brushless Motor, 5.0Ah Battery & Charger(75+ Tool Compatible)
Pros
- Brushless motor delivers powerful, quiet operation with extended runtime.
- Self-propelled rear-wheel drive with variable speed control reduces user effort.
- Integrated LED headlights allow for flexible mowing times, even in low light.
Cons
- Battery runtime depends heavily on grass conditions and self-propel usage.
- As a standalone mower, it does not include other yard tools like some bundles.
Common Mistakes to Avoid
Underestimating Battery Capacity for Yard Size
A common pitfall for new cordless mower users is selecting a battery capacity that doesn't match their lawn's needs. For instance, a Greenworks 40V 16" mower with a 4.0Ah battery might be sufficient for a small, flat yard, but users with larger or denser lawns might find the 45-minute runtime insufficient, requiring multiple charges. In practice, a larger 5.0Ah battery or higher voltage system, like the Greenworks 48V (24V x 2) setup, typically provides the necessary endurance for more substantial properties.
Ignoring the Importance of Propulsion Type
Many first-time buyers overlook the benefit of self-propelled functionality, particularly for yards with slopes or significant square footage. Opting for a push mower, such as the MZK 20V 13" Electric Lawn Mower, on a large or uneven terrain can lead to considerable fatigue. Self-propelled models, like the YARDMAX 22 in. with FWD or the Greenworks 40V 21" Self-Propelled, significantly reduce physical exertion, making the mowing experience much more manageable.
Disregarding Cutting Height Adjustment Range
Not all height adjustment systems offer the same versatility. Some mowers, like the MZK 20V 13", provide a range from 1.3 inches to 2.6 inches, which might be too restrictive for certain grass types or seasonal preferences. Conversely, the Greenworks 40V 16" offers a broader range from 1.25 inches to 3.375 inches, allowing for more precise control over lawn aesthetics and health. Selecting a mower with an appropriate and easy-to-use height adjustment system is crucial for optimal lawn care.