Maintaining a pristine lawn can be a labor of love, but with the right 21-inch lawn mower, it doesn’t have to be a chore. Whether you’re dealing with a sprawling backyard or a modest patch of green, finding the perfect mower to suit your needs can make all the difference.
From powerful gas engines to eco-friendly electric options, the market offers a diverse range of choices to keep your lawn looking its best.
In this roundup, we’ll explore the top 21-inch lawn mowers that combine performance, durability, and ease of use. We’ve done the legwork to identify models that deliver clean, precise cuts while offering features that enhance your mowing experience.
So, whether you’re a weekend warrior or a dedicated gardener, read on to discover the best tools to help you achieve a beautifully manicured lawn.
9 Best 21 Inch Lawn Mowers
When it comes to maintaining a beautiful lawn, a reliable 21-inch lawn mower can make all the difference. This size is ideal for residential yards, providing a balance between maneuverability and cutting power.
Here, we’ll explore the 9 best 21-inch lawn mowers on the market, focusing on their features, performance, and value for money.
1. Adjustable Height with Mulching: PowerSmart 21 in. Gas Lawn Mower
Tackle your mowing with the PowerSmart 21 in. Gas Lawn Mower. Power through uneven terrain thanks to its rear-wheel drive system, which makes it easy to handle.
It’s great for yards up to 1/2 acre, ensuring you get the job done efficiently. This mower features a self-propelled system that significantly reduces your effort.
Equip your lawn with a heavy-duty blade that provides ultra-fine clippings. Collect grass clippings and leaves as you mow, making cleanup effortless.
Prevent clumps and cut through dense grass effectively with its powerful gas engine. Enjoy versatile options with its capability to bag, mulch, or side-discharge.
Fold it for easy storage, with compact dimensions of H33 in, W22 in, and D17 in. Adjust the cutting height between 1.5 to 3.9 inches, offering five different positions for a tailored lawn care experience. Its alloy steel construction ensures durability, while its red color adds a touch of style to your gardening tools.
Explore more with PowerSmart’s intuitive design and robust performance, making your garden tasks simpler and more enjoyable.
- Power Source: Gas Powered
- Material: Alloy Steel
- Color: Red
- Style: Self-Propelled
- Item Weight: 66.3 Pounds
- Cutting Width: 21 Inches
- Number of Positions: 5
- Operation Mode: Manual
- Product Dimensions: 37″D x 18″W x 25″H
- Wheel Size: 4.5 Inches
- Maximum Adjustable Cutting Height: 3.9 Inches
- Minimum Adjustable Cutting Height: 1.5 Inches
2. Rear-Wheel Drive Self Propelled: PowerSmart Self Propelled Gas Lawn Mower, 21-Inch 170cc
Unpack this powerful mower and get ready to see it in action. It features a rear-wheel drive system that ensures traction on uneven terrain. It boasts a 170cc engine, giving you all the power needed for a clean cut every time.
Setup is simple, with guiding videos to help you from unboxing to mowing. Use the high-powered gas to collect clippings and leaves effectively.
Mow different terrains effortlessly with heavy-duty blades that chop clippings finely for nutrient recycling. Shorten mowing time in large open areas or deep grass. Adjust its cutting height effortlessly with five available positions, going as low as 1.5 inches.
Shift easily between bagging, mulching, and side-discharge modes, giving you the flexibility needed for any yard.
Fold the mower for compact storage, measuring 33 inches high, 22 inches wide, and 17 inches deep when folded. Weighing only 61.6 pounds, it’s light enough for easy maneuvering but sturdy enough to handle demanding jobs.
Explore the full capabilities of the PowerSmart mower to enhance your lawn care routine.
- Power Source: Gasoline-Powered
- Material: Alloy Steel
- Color: Red
- Style: Push
- Item Weight: 61.6 Pounds
- Cutting Width: 21 Inches
- Number of Positions: 5
- Operation Mode: Manual
- Product Dimensions: 56.5″D x 22″W x 42.5″H
- Maximum Adjustable Cutting Height: 3.9 Inches
- Minimum Adjustable Cutting Height: 1.5 Inches
3. Basic Push Mower with Bagging: PowerSmart Gas Lawn Mower 21-Inch 144 cc
PowerSmart offers a solid lawn maintenance tool with its 21″ Gas Lawn Mower. Boasting a dependable 144cc Briggs and Stratton E300 engine, this mover ensures reliable performance for your lawn care needs.
Featuring Prime ‘N Pull for effortless starts, this engine, made in the USA, delivers consistent power.
Adjustable, the mower height can be changed to suit different lawn preferences. Users can adjust cutting heights easily, resulting in precise mowing every time.
Designed for versatility, its 2-in-1 functionality accommodates both bagging and mulching, giving flexibility in grass management styles.
Compact, the mower folds into a 33″ high, 22″ wide, and 17″ deep form, making storage efficient and space-saving. Practical, this walk-behind mower offers maneuverability, perfect for navigating gardens of various sizes.
Some technical details include:
- Power Source: Gas Powered
- Material: Alloy Steel
- Cutting Width: 21 Inches
- Operation Mode: Automatic
- Item Weight: 62 Pounds
- Product Dimensions: 32.9″D x 16.5″W x 22.6″H
4. Lightweight and Easy to Handle: PowerSmart 21″ 2-in-1 Push Lawn Mower, 125cc Engine
Looking for a lightweight and easy-to-handle lawn mower? The PowerSmart 21″ 2-in-1 Push Lawn Mower, equipped with a 125cc engine, might be your best bet. Weighing just 60 pounds, it’s perfect for maneuvering around tight corners and intricate yard spaces.
Coupled with its 21-inch steel mowing deck, it ensures efficient cutting and quick completion of lawn tasks.
This mower offers a convenient start every time with its easy recoil starting system, eliminating the need for any priming or choking. Featuring a 2-in-1 cutting system, it supports both side discharge and mulching, providing flexibility based on your lawn care needs.
Also, its 5-position height adjustment allows you to customize the grass cut from 1.18 inches to 3 inches, ensuring your lawn looks manicured to your preference.
Built with user comfort in mind, the ergonomic handle design reduces hand and wrist fatigue. You’ll find that storing this mower is hassle-free, thanks to its foldable handle which makes it compact enough to store even in tight garage spaces.
Durable for prolonged use, its rust-resistant deck promises longevity and consistent performance.
For those valuing durability, ease of use, and reliable performance, the PowerSmart 21″ Push Lawn Mower is a standout choice. Its 125cc engine ensures you have enough power to tackle small to medium-sized lawns with ease.
- Power Source: Gas Powered
- Cutting Width: 21 Inches
- Engine: 125cc
- Cutting System: 2-in-1 (Side Discharge, Mulching)
- Height Adjustment: 5 Positions
- Item Weight: 60 pounds
- Operation Mode: Manual
5. Eco-Friendly Electric Power: Greenworks 80V 21″ Brushless Cordless Lawn Mower
Experience efficient mowing with the Greenworks 80V 21″ Brushless Cordless Lawn Mower. Packed with an 80-volt battery, this mower boasts remarkable power quiet performance and zero emissions.
Its brushless motor ensures longevity and fewer maintenance concerns compared to brushed motors.
Quick and easy, Greenworks’ 21″ mower includes a rapid charger letting you get back to mowing swiftly. The lithium-ion battery offers up to 60 minutes of runtime which is ideal for small to medium-sized yards.
Also, its Smart Cut technology automatically adjusts the mower’s power depending on the thickness of your grass.
Convenience is paramount; this mower includes 3-in-1 capabilities, allowing you to mulch, rear bag, or side discharge your clippings. It also features a single lever 7-position height adjustment for versatile cutting options ranging from 1-3/8″ to 3-3/4″.
Lightweight design, at only 62 pounds, ensures easy maneuvering around your yard. Foldable handles facilitate effortless storage minimizing space usage in your garage or shed.
Also, the Greenworks mower’s robust 10-inch rear wheels ensure supreme traction and smooth progress even in tougher ground conditions.
For eco-conscious homeowners, the Greenworks 80V 21″ Brushless Cordless Lawn Mower stands out, delivering a clean cut without sacrificing performance.
- Power Source: Battery Powered
- Material: Plastic
- Color: Green, Black
- Item Weight: 62 Pounds
- Cutting Width: 21 Inches
- Number of Positions: 7
- Operation Mode: Automatic
- Product Dimensions: 32.3″D x 18.2″W x 20.4″H
- Batteries: 1 Lithium Ion battery required (included)
- Customer Reviews: 4.6 out of 5 stars
6. High-Efficiency Battery Mower: EGO Power+ LM2101 21-Inch 56-Volt Cordless Lawn Mower
Enjoy seamless mowing with the EGO Power+ LM2101, thanks to its 56-volt lithium-ion battery. Delivering the equivalent power of a gas mower without the fumes or noise, it offers up to 45 minutes of runtime on a single charge.
Power meets convenience with this high-efficiency, 600W, brushless motor, which enhances longevity and reduces maintenance needs.
Pivot easily with its self-propelled system, giving you control over the speed. Adjusting the cutting height is simple using the single-lever system offering six positions from 1.5″ to 4″.
The 21-inch cutting deck bolstered by a high-efficiency blade ensures a clean, even cut every time, whether you’re mulching, bagging, or side-discharging your clippings.
Experience effortless storage with the foldable design. Its weather-resistant construction means you can count on this mower season after season. And don’t worry about braving long recharge times. The rapid charger gets the battery ready to go in under an hour.
- Power Source: Battery Powered
- Material: Plastic
- Color: Multi
- Style: Self Propelled
- Item Weight: 62.6 Pounds
- Cutting Width: 21 Inches
- Number of Positions: 6
- Operation Mode: Automatic
- Product Dimensions: 37.4″D x 22.6″W x 16.9″H
7. Traditional Gas Walk Behind: YARDMAX 21 in. 170cc 3-in-1 Gas Mower
Boasting a 170cc engine, the YARDMAX 21-inch mower combines power and versatility. It’s perfect for homeowners with medium-sized yards, offering 3-in-1 functionality that includes bagging, mulching, and side discharge.
Featuring an easy-to-start engine made in the USA, this mower ensures reliable performance every time. The deck height can be adjusted to six positions, making it simple to customize your cut from 1.5 to 3.75 inches.
Designed for ease of use, the ergonomic handle reduces fatigue during prolonged mowing sessions. It folds down for compact storage, making it convenient to stow away in tight spaces. YARDMAX also provides setup videos to ensure a smooth and hassle-free assembly process.
Using alloy steel for the mower deck, YARDMAX promises durability and longevity. The mower weighs 59 pounds, which means it’s easy to maneuver around your lawn. A vibrant red color adds a touch of style to its robust design.
Whether you prefer bagging, mulching, or side-discharge, the YARDMAX 3-in-1 functionality caters to your lawn care needs effortlessly. With a cutting width of 21 inches, it strikes the right balance between efficient mowing and manageable size.
- Power Source: Gasoline-Powered
- Material: Alloy Steel
- Color: Red
- Style: Gas Lawn Mower
- Item Weight: 59 Pounds
- Cutting Width: 21 Inches
- Number of Positions: 6
- Operation Mode: Manual
- Product Dimensions: 58″D x 22″W x 48″H
8. Reliable Engine Design: PowerSmart Gas Lawn Mower 21-Inch, 125cc Briggs and Stratton
Boasting a 21-inch cutting deck, the PowerSmart Gas Lawn Mower is a powerful tool. Equipped with the reliable 125cc Briggs and Stratton engine, it’s designed to handle various mowing tasks efficiently. Delivering consistent power, the engine ensures smooth performance and easy starts.
Featuring a versatile 2-in-1 mowing system, this mower offers both mulching and side discharge capabilities. You can easily switch between modes to match your lawn care needs.
With a 5-position height adjustment, customizing your grass length from 1.18 to 3.15 inches becomes simple.
Weighing just 60 pounds, the mower remains lightweight and easy to maneuver, ideal for small to medium yards. Its foldable handle design allows for compact storage, saving valuable space in your garage. Built with a sturdy, rust-resistant deck, it promises long-lasting durability.
Key Technical Details:
- Brand: PowerSmart
- Power Source: Gasoline
- Material: Alloy Steel
- Color: Red and Black
- Item Weight: 60 Pounds
- Cutting Width: 21 Inches
- Number of Positions: 5
- Operation Mode: Manual
- Product Dimensions: 33.1″L x 22″W x 20.7″H
9. Advanced Cordless Technology: Greenworks 60V 21” Cordless Self-Propelled Mower
Greenworks’ 60V 21″ Cordless Self-Propelled Mower exemplifies advanced cordless technology in lawn care. This mower is equipped with a high-capacity 60V lithium-ion battery, providing ample power for up to 60 minutes of runtime, ideal for small to medium-sized lawns.
It’s self-propelled, reducing user fatigue and making it easier to navigate uneven terrain. The mower’s brushless motor extends the tool’s life while minimizing maintenance.
Enhanced by a steel deck, the mower ensures durable performance and a superior cut. It features a 4-in-1 design that allows for bagging, mulching, side-discharge, and even leaf pickup, giving you maximum versatility.
The seven-position single-lever height adjustment lets you easily change cutting heights between 1-3/8” and 3-3/4”, catering to various grass types and preferences.
Greenworks’ mower also boasts a Smart Cut technology, which automatically increases blade speed when encountering thicker grass, ensuring efficient and clean cuts. The quiet operation and zero emissions make it an excellent choice for eco-conscious homeowners.
Store it conveniently thanks to the foldable handles, which allow for compact, upright storage. The included charger quickly restores battery life, so you’re always ready for your next mowing session.
- Power Source: Battery Powered
- Material: Metal
- Color: Green and Black
- Style: 21″ 60V Cordless Self-Propelled Mower (Battery & Charger included)
- Item Weight: 79.5 Pounds
- Cutting Width: 21 Inches
- Number of Positions: 7
- Operation Mode: Self-Propelled
- Product Dimensions: 34.5″D x 23.5″W x 18″H
- Batteries: 1 Lithium Ion battery required (included)
How to Choose the Right 21 Inch Lawn Mower?
Choosing the right 21-inch lawn mower is essential to keep your lawn looking its best with ease and efficiency. Here are some key factors to consider, including the type of mower, engine power, cutting capabilities, and added features.
Assessing Your Lawn Size and Terrain
Consider the size of your yard first. If you’ve got up to 1/2 acre with uneven terrain, a rear-wheel drive system mower like the PowerSmart 21-inch gas lawn mower is ideal. For smaller lawns, lightweight models provide easy maneuverability.
Don’t forget to account for tight corners and intricate yard spaces. A compact, foldable design helps with storage and ease of use.
Understanding Mower Types: Push vs. Self-Propelled
Think about your mowing preferences next. Push mowers are generally easier to handle in small, flat yards. If you’ve got slopes or need extra muscle for larger areas, self-propelled mowers reduce effort.
The PowerSmart Self Propelled Gas Lawn Mower with a 170cc engine exemplifies power and efficiency for various terrains. You’ll find pushing a self-propelled model simpler on inclines and more extensive lawns.
Electric vs. Gas: What Suits Your Needs
Identify whether you prefer quiet, eco-friendly operation or powerful, continuous use. Electric mowers like the Greenworks 80V Brushless Cordless offer a quieter, zero-emissions alternative with up to 60 minutes runtime.
Gas mowers, such as those from PowerSmart, provide reliable power for tougher terrains and longer mowing sessions. Battery life and charging times matter for electric models, while gas mowers require more maintenance but give enduring performance.
Key Features to Look For: Mulching, Bagging, Height Adjustment
Look for versatile mowing capabilities. Mulching, bagging, and side discharge systems enhance lawn health and ease of cleanup. The PowerSmart models often include these 3-in-1 capabilities.
Adjustable height settings, like the five-position range from 1.5 to 3.9 inches, allow customized grass cutting. A durable blade and ergonomic handle reduce fatigue and improve efficiency. Foldable handles further add convenience for storage.
In essence, consider your yard’s unique needs and your mowing habits to choose the perfect 21-inch lawn mower.
Safety Tips for Using Lawn Mowers
Operating a lawn mower safely is essential for preventing injuries and ensuring a smooth, hassle-free experience. Follow these safety tips to protect yourself and others while mowing.
Pre-Use Checks and Maintenance
Always perform pre-use checks before starting your lawn mower. Inspect the blades, ensuring they’re sharp and free of debris. It’s critical to check the oil and fuel levels, topping up as needed. Examine the air filter and clean or replace it if necessary.
Don’t forget to confirm that the spark plug is secure and in good condition. Make sure to review the tires for proper inflation and wear. Regular maintenance prevents mechanical issues and improves mower lifespan.
Proper Operating Techniques
Begin by clearing the lawn of any debris like rocks, sticks, and toys. Operate your mower at a steady pace, avoiding sudden starts and stops. Adjust the cutting height according to the grass length to avoid overloading the mower.
Always push the mower forward, not backward, to maintain control. Use both hands on the handle to stabilize the unit, especially on inclines. Wet grass can be slippery, so mow when the grass is dry to reduce slipping risks.
Importance of Personal Protective Equipment
Wearing personal protective equipment (PPE) can greatly enhance your safety. Ear protection shields your ears from loud motor noise. Safety glasses or goggles safeguard your eyes from flying debris.
Each mow should see you wearing sturdy, closed-toe shoes to protect your feet. Long pants can prevent scratches from flying grass and debris. Gloves offer a better grip on the handle while reducing hand fatigue. Prioritize gear to keep yourself safe during mowing.
Frequently Asked Questions
What Is the Best Power Source for Lawn Mowers?
Choosing the best power source depends on your yard’s size and terrain. Gas-powered mowers, like the PowerSmart 21-inch, are excellent for larger yards and tougher terrains due to their robust 144cc or 170cc engines.
Electric models, such as the Greenworks 80V Brushless Cordless, are ideal for small to medium yards with their quiet, eco-friendly performance and zero emissions.
Battery-operated mowers offer the convenience of cordless operation, but gas mowers provide more power for challenging lawns.
How Often Should Lawn Mowers Be Serviced?
Regular servicing ensures optimal performance. For gas mowers, like the Craftsman M215, you should service them annually, checking the oil, spark plug, and air filter.
Electric mowers, including the Greenworks and EGO Power+ models, require less frequent servicing, mainly focusing on blade sharpness and battery maintenance.
A quick check before the mowing season starts and periodic inspections throughout the mowing season will help keep your mower in top shape.
What Is a 2-in-1 Versus a 3-in-1 Lawn Mower?
A 2-in-1 mower allows for two mowing options – bagging and mulching, seen in models like the PowerSmart Gas Lawn Mower 21-Inch 144cc. A 3-in-1 mower, on the other hand, offers three functionalities – bagging, mulching, and side discharge.
Mowers such as the Greenworks 80V Brushless Cordless provide this versatility, making them suitable for various lawn care needs. Depending on your yard’s specific requirements, you can choose the type that best fits your lawn care regimen.
Can I Replace the Blades on a 21 Inch Lawn Mower Myself?
Yes, you can usually replace the blades yourself. Mowers like the PowerSmart 21-inch and EGO Power+ LM2101 are designed with user-friendly features, making blade replacement straightforward.
Always consult the user manual for specific instructions and safety guidelines. Proper tools, such as a wrench and gloves, can make the process smoother. Remember to disconnect the power source before beginning any maintenance work to ensure safety.
Conclusion and Final Recommendations
Choosing the best 21-inch lawn mower depends on your yard’s size, terrain, and personal preferences. For larger, uneven yards, the PowerSmart 21-inch gas mower with its rear-wheel drive and self-propelled system is a standout.
If you prefer eco-friendly options, the Greenworks 80V Brushless Cordless Mower offers quiet operation and zero emissions.
For those seeking a balance of power and convenience, the EGO Power+ LM2101 delivers gas-like performance with the benefits of a cordless design.
Meanwhile, the lightweight PowerSmart 21″ 2-in-1 Push Lawn Mower is perfect for smaller yards with intricate spaces.