Greenworks vs AMERISUN Lawn Mowers: Which Brand Fits You?
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This greenworks vs AMERISUN lawn mower comparison looks at two very different push mowers. Both handle basic residential yard work with a 2-in-1 mowing system. The main difference lies in their power source and cutting width. You get a lightweight, battery-powered option from Greenworks or a gas-powered machine from AMERISUN. Each has distinct specs that suit different lawn sizes and user preferences. Here is how they stack up against each other.
Key differences
| Aspect | Greenworks 40V 16-Inch Push Lawn Mower | AMERISUN 21-Inch Gas Push Mower |
|---|---|---|
| Power Source | 40V Cordless Battery | 144cc Gas Engine |
| Cutting Width | 16 in | 21 in |
| Mowing Function | Mulch and rear bag | Mulch and side discharge |
| Battery Capacity | 4.0 Ah | Not listed |
| Cutting Height Positions | 5 positions | 6 positions (1.5–3.9 in) |
Which one should you choose?
Choose Greenworks 40V 16-Inch Push Lawn Mower if
- You have a small lawn under one-third acre and prefer a lightweight, cordless tool.
- You want a mower that works with other Greenworks 40V garden tools.
- You need a rear bagging system for clean grass disposal.
Choose AMERISUN 21-Inch Gas Push Mower if
- You have a larger yard and want a wider 21-inch cutting deck.
- You prefer gas power for longer runtime without battery swaps.
- You need side discharge capability for clearing longer grass.
Verdict: The Greenworks model suits small yards where weight and battery compatibility matter. The AMERISUN mower is better for larger lawns needing a wider cut and gas power. Choose based on your yard size and power preference.
Greenworks vs AMERISUN Mower Specs
Power source
The Greenworks 40V 16-Inch Push Lawn Mower relies on a 40V cordless battery system with a 4.0 Ah capacity. This setup provides quiet, emission-free operation and requires no fuel mixing or gas storage. You must ensure the battery is charged before each use. In contrast, the AMERISUN 21-Inch Gas Push Mower uses a 144cc OHV 4-stroke gasoline engine. This power source delivers consistent torque and allows for unlimited runtime as long as you have fuel. It uses recoil starting rather than a battery switch. You should choose Greenworks for zero emissions and AMERISUN for unlimited run time without charging delays.
Cutting width
The AMERISUN mower features a wider 21-inch cutting deck, which covers more ground per pass than the Greenworks model. This 5-inch difference can reduce the total time needed to mow larger residential lawns. The Greenworks 40V 16-Inch Push Lawn Mower has a narrower 16-inch cutting width. This size is often easier to maneuver around tight obstacles, flower beds, and narrow pathways. A narrower deck also typically results in a lighter overall machine weight. You should select the AMERISUN for faster coverage on open lawns and the Greenworks for better agility in cluttered yards.
Mowing function
Both models offer a 2-in-1 mowing system, but the discharge methods differ significantly. The Greenworks mower supports mulching and rear bagging, allowing you to collect clippings in a bag attached to the back. This is ideal for keeping grass clippings off paved walkways. The AMERISUN mower provides mulching and side discharge options, utilizing a side discharge chute. This setup is useful for clearing long grass quickly without a bag, but it may scatter clippings near the mower's path. You should pick Greenworks for clean rear collection and AMERISUN for efficient side ejection.
Height adjustment
The Greenworks mower offers five positions for cutting height adjustment, providing standard versatility for most residential lawns. The AMERISUN mower provides six cutting positions with a wider range, adjustable from 1.5 to 3.9 inches. This broader range allows you to cut lower for a manicured look or higher for tall, overgrown grass. The specific increments are not listed for either model, but the AMERISUN offers more granular control over the cut height. You should choose the AMERISUN if you need precise height settings for varying grass conditions.
Weight and build
The Greenworks 40V 16-Inch Push Lawn Mower weighs 37.5 pounds, which is noted as 35% lighter than steel deck mowers. This lightweight design makes it easy to lift, store, and maneuver for users who prefer minimal physical effort. The AMERISUN 21-Inch Gas Push Mower does not list a specific weight in the provided data. However, gas engines and steel decks typically add significant weight compared to plastic-deck battery mowers. The AMERISUN also features 10-inch rear wheels and 7-inch front wheels for stability. You should choose Greenworks for easy handling and AMERISUN for potential stability on uneven terrain.
Which Greenworks or AMERISUN mower fits your yard
Small yard owners wanting quiet, lightweight mowing
The Greenworks 40V model weighs just 37.5 pounds, making it 35% lighter than steel deck alternatives. Its 16-inch cutting width suits smaller spaces. You get quiet, emission-free operation with a 4.0 Ah battery that handles up to one-third of an acre. The 5-position height adjustment and rear bagging option keep maintenance simple and tidy.
Larger lawns needing wider cuts and gas power
The AMERISUN gas mower features a 21-inch cutting width, covering more ground per pass. Its 144cc OHV engine provides consistent power without battery recharge limits. You can choose between mulching or side discharge. The 6-position height adjustment ranges from 1.5 to 3.9 inches, offering flexibility for various grass conditions and seasonal changes.
Users wanting to expand their cordless toolkit
This Greenworks mower works with over 75 other 40V tools, including trimmers and blowers. You can share the 4.0 Ah battery across multiple devices. The 3-year limited warranty covers both the tool and battery. This compatibility reduces long-term costs and storage needs if you already own or plan to buy other Greenworks cordless equipment.
The products compared
Greenworks 40V 16-Inch Push Lawn Mower
Best for: small lawns under 1/3 acre
- Power Source
- Cordless
- Cutting Width
- 16 in
- Voltage
- 40V
- Drive Type
- Push
- Battery Capacity
- 4.0 Ah
- Cutting Height
- 5 position
View on Amazon: Greenworks 40V 16-Inch Push Lawn Mower Affiliate link
This Greenworks 40V push mower features a 16-inch cutting width and a 4.0 Ah battery. It weighs 37.5 pounds, making it 35% lighter than steel deck mowers. The unit offers five cutting height positions and supports mulching or rear bagging. It includes a charger and battery. This model suits small lawns up to 1/3 acre and users seeking a lightweight, easy-to-manage cordless option.
Pros
- 40V cordless power with included 4.0 Ah battery and charger
- 37.5-pound weight for easy maneuverability
- 5-position single-lever height adjustment
- 2-in-1 mulch and rear bagging system
Cons
- 16-inch cutting width is narrow for larger lawns
- Push drive requires manual effort
- 3-year warranty is shorter than some competitors
Good fit if
- You have a small lawn under 1/3 acre
- You prefer a lightweight mower for easy storage
- You want a simple push mower without self-propulsion
Skip if
- You need to cut large areas exceeding 1/3 acre
- You require self-propelled drive for hilly terrain
- You need a wider 21-inch cutting deck
Verdict: Greenworks 40V 16" Push Mower is a lightweight option for small yards. It fits users who value easy handling over wide cutting paths or self-propulsion.
AMERISUN 21-Inch Gas Push Mower
Best for: flat residential lawns needing wide gas power
- Power Source
- Gas
- Cutting Width
- 21 in
- Drive Type
- Push
- Mowing Function
- 2-in-1
- Application
- Yard, Lawn
- Dimensions
- 32.9 × 16.5 × 22.6 inches
View on Amazon: AMERISUN 21-Inch Gas Push Mower Affiliate link
The AMERISUN 21-Inch Gas Push Mower uses a 144cc OHV 4-stroke engine for residential lawn care. It features a 21-inch cutting width and six adjustable height positions from 1.5 to 3.9 inches. You get a 2-in-1 system for mulching or side discharge. The 10-inch rear wheels and push drive design help you maintain control during operation. This model suits homeowners needing reliable gas power without self-propulsion.
Pros
- 144cc OHV 4-stroke gas engine provides strong cutting power.
- 21-inch cutting width covers more ground per pass.
- Six cutting positions allow height adjustment from 1.5 to 3.9 inches.
- 2-in-1 mulching and side discharge options offer versatile disposal methods.
- 10-inch rear wheels improve maneuverability on uneven terrain.
Cons
- Push drive requires physical effort to move the mower.
- Recoil start mechanism lacks the convenience of electric ignition.
- No self-propulsion system for easier operation on slopes.
Good fit if
- You prefer the maintenance simplicity and torque of a gas engine.
- You want a wider 21-inch cutting deck for faster mowing.
- You are comfortable with manual push operation for light to moderate yards.
Skip if
- You need self-propelled drive for hilly or large properties.
- You prefer electric starting over recoil pull mechanisms.
- You require mulching, bagging, and side discharge (3-in-1) capabilities.
Verdict: AMERISUN 21-Inch Gas Push Mower fits users who want a wide, powerful gas mower and do not mind pushing it. It is a solid choice for flat, residential lawns where manual effort is manageable.
Specifications side by side
| Spec | Greenworks 40V 16-Inch Push Lawn Mower | AMERISUN 21-Inch Gas Push Mower |
|---|---|---|
| Power Source | Cordless | Gas |
| Cutting Width | 16 in | 21 in |
| Voltage | 40V | not stated |
| Drive Type | Push | Push |
| Battery Capacity | 4.0 Ah | not stated |
| Cutting Height | 5 position | not stated |
| Mowing Function | 2-in-1 (mulch, rear bagging) | 2-in-1 |
| Application | Lawn | Yard, Lawn |
| Dimensions | 50.8 × 18.9 × 39 inches | 32.9 × 16.5 × 22.6 inches |
| Weight | 37.5 pounds | not stated |
| Size | 16" Cordless (4.0Ah) | 3IN1 Push Lawn Mower |
| Color | Green | Black |
| Model | 25322 | AV8621P1 |
Frequently asked questions
Which mower is better for small lawns under a third of an acre?
The Greenworks 40V 16-Inch Push Lawn Mower is the better choice. Its 16-inch cutting width and lightweight 37.5-pound frame make it easy to maneuver in tight spaces. The compact size ensures you do not waste time navigating narrow pathways or tight corners in smaller yards.
Does AMERISUN offer a cordless electric option?
No. The AMERISUN model listed is a gas-powered push mower. It requires fuel rather than a battery. If you prefer electric operation, the Greenworks option uses a 40V cordless system with a 4.0 Ah battery, providing emission-free mowing without the need for gas or oil mixing.
How wide is the cutting path on the AMERISUN mower?
The AMERISUN mower features a 21-inch cutting width. This wider deck covers more ground per pass compared to the Greenworks 16-inch model. A wider cut reduces the number of passes needed to clear flat, residential lawns, though it requires more physical effort to push manually.
Is the Greenworks mower self-propelled?
No. The Greenworks 40V model is a push mower. You must provide the forward motion yourself. This design keeps the unit lightweight at 37.5 pounds. It is ideal for users who do not need self-propulsion and prefer a simpler, lighter machine for easy handling.
What is the weight difference between the two mowers?
The Greenworks mower weighs 37.5 pounds. The AMERISUN gas model does not list a weight in the provided data. However, gas engines typically add significant mass. The Greenworks unit is notably lighter, which helps reduce fatigue when lifting or carrying the mower for storage or transport.
Can I mulch and bag clippings with these mowers?
Yes. Both mowers support a 2-in-1 mowing function. This allows you to mulch clippings back into the lawn or bag them for disposal. This versatility helps you manage yard waste according to your preference, whether you want natural fertilization or clean removal of grass debris.