The first thing that struck me about this PowerSmart 21″ 2-in-1 Push Lawn Mower, 144cc wasn’t just its robust engine but how effortlessly it handled tight corners. After testing multiple mowers, I found this lightweight model (just 62 lbs) surprisingly nimble, perfect for small yards or tricky spaces. The 6-position height adjustment and 3-in-1 system—mulching, side discharge—made a real difference, giving me versatility without sacrificing power.
What really won me over was its safety feature—the start/stop control lever—and how reliably the engine started every time with minimal effort. Compared to bulkier models like the BILT HARD self-propelled or the YARDMAX, this mower balances power, maneuverability, and value beautifully. It’s not only durable but simple to operate, making lawn care less of a chore. Trust me, after thoroughly comparing these options, I believe this model stands out as the best overall for effortless, efficient yard maintenance.
Top Recommendation: PowerSmart 21″ 2-in-1 Push Lawn Mower, 144cc
Why We Recommend It: This mower offers a powerful 4-stroke OHV 144cc engine, combined with a versatile 3-in-1 system for mulching and side discharge, delivering excellent performance for small to medium yards. Its lightweight design enhances maneuverability, crucial for tight spaces, and the adjustable height (1.5–3.9 inches) ensures a perfect cut. Unlike heavier, self-propelled alternatives, it’s easier for most users to handle and maintain. Its safety features and affordable price make it a top choice for reliable, hassle-free mowing.
Best 21 inch lawn mower: Our Top 5 Picks
- PowerSmart 21″ 2-in-1 Push Lawn Mower, 144cc – Best 21 Inch Battery Powered Lawn Mower
- BILT HARD 21″ Self-Propelled 3-in-1 Gas Lawn Mower – Best 21 Inch Self Propelled Gas Lawn Mower
- PowerSmart 21-Inch Gas Lawn Mower 144cc OHV 2-in-1 with Bag – Best 21 Inch Gas Lawn Mower
- BILT HARD 21″ Gas Self-Propelled Lawn Mower, 201cc, 3-in-1 – Best 21 Inch Self Propelled Gas Lawn Mower
- YARDMAX 21″ 170cc 3-in-1 Gas Push Lawn Mower – Best Value 21 Inch Gas Lawn Mower
PowerSmart 21″ 2-in-1 Push Lawn Mower, 144cc
- ✓ Lightweight and easy to maneuver
- ✓ Powerful 144cc engine
- ✓ Versatile 3-in-1 cutting system
- ✕ Not suitable for large yards
- ✕ Limited to small/medium lawns
| Engine | 4-stroke OHV 144cc |
| Cutting System | 3-in-1 (mulching, side discharge, bagging) |
| Cutting Height Adjustment | 6-position, 1.5 to 3.9 inches |
| Weight | 62 lbs |
| Cutting Width | 21 inches |
| Safety Feature | Start/stop control lever |
As I unboxed the PowerSmart 21″ 2-in-1 Push Lawn Mower, I immediately noticed its surprisingly lightweight build, especially for something with a 144cc engine. It felt sturdy yet easy to lift onto my shed shelf without breaking a sweat.
The first few pushes around my small yard confirmed how maneuverable this mower is. The compact design and 62-pound weight let me weave around flower beds and tight corners effortlessly.
The adjustable handle height and 6-position cutting height made customizing my cut a breeze.
Using the 3-in-1 system, I appreciated switching between mulching and side discharge. The mulching finely chopped the grass, making my soil look richer, while the side discharge handled the thicker patches with ease.
The start/stop lever felt responsive, giving me quick control in case I needed to pause.
What really stood out was the engine’s power. It cut through thick grass without stalling, and the sound was surprisingly smooth for a 144cc.
The safety features, like the stop control, added peace of mind during longer mowing sessions.
After weeks of use, I found that its efficiency and ease of use made lawn care less of a chore. The only issue?
Its small size isn’t ideal for large, sprawling yards. But for small to medium lawns, it’s a real winner.
BILT HARD 21″ Self-Propelled 3-in-1 Gas Lawn Mower
- ✓ Easy to start
- ✓ Smooth self-propulsion
- ✓ Versatile cutting options
- ✕ Slightly heavier than some
- ✕ Single-speed drive
| Engine | 201cc 4-stroke OHV gasoline engine |
| Cutting Width | 21 inches |
| Cutting Height Adjustment | 8-position, 1.2″ to 3.75″ |
| Drive System | Rear-wheel drive, single-speed self-propelled |
| Deck Material | Steel with 3-in-1 mulching, side discharge, rear bagging |
| Torque | 9.0 ft·lb |
When I took this BILT HARD 21″ self-propelled mower out of the box, I immediately noticed its sturdy steel deck and the way it felt solid in my hands. The weight is just right—not too heavy, yet substantial enough to feel durable.
The handlebar is foam-wrapped and angled comfortably, making it easy to grip without digging into your palms.
Firing it up was a breeze—no choking, no priming needed, just a simple pull on the cord, and it roared to life. I appreciated how smooth the self-propelled feature moved—no struggle to push, even on uneven patches.
The rear-wheel drive and single-speed setting make covering large lawns much less tiring.
The 8-position height adjustment lever is a real game-changer. Changing cutting heights from 1.2″ to 3.75″ takes seconds and adjusts all four wheels simultaneously.
This means I could quickly switch from a tidy trim to a more rugged look without fussing over each wheel.
The 3-in-1 deck offers plenty of options—mulching, side discharge, or rear bagging—so I could tailor my mowing to the yard’s needs. The wide 21-inch cut saves time on big lawns, and the steel deck feels tough enough to handle regular use.
Overall, this mower delivers reliable power thanks to its 201cc engine. It’s built to last, with a no-priming start that saves you time and effort.
For anyone tackling a large yard, it’s a solid choice that balances efficiency with comfort.
PowerSmart 21-Inch Gas Lawn Mower 144cc OHV 2-in-1 with Bag
- ✓ Durable all-steel deck
- ✓ Easy to start
- ✓ Wide cutting path
- ✕ Slightly heavy
- ✕ No self-propulsion
| Engine Displacement | 144cc 4-cycle OHV |
| Cutting Width | 21 inches |
| Cutting Height Adjustment | 6 positions from 1.5″ to 3.9″ |
| Deck Material | All-steel |
| Cutting System | Mulching and bagging (2-in-1) |
| Starting Mechanism | Recoil starter with auto choke |
When I first grabbed the PowerSmart 21-Inch Gas Lawn Mower, I immediately noticed how solid and well-built the all-steel deck felt in my hands. It’s reassuring to see a mower that’s designed to last, especially with that heavy-duty blade glinting in the sunlight.
Starting it up was surprisingly smooth—thanks to the recoil starter and auto choke, I barely had to yank more than once to get it humming.
The 144cc engine delivers a good punch for a mower in this class. It handled thicker patches of grass without hesitation, making my yard work feel much quicker.
I appreciated the dual-lever height adjustment—six positions that let me dial in from 1.5” all the way to 3.9”. It’s simple to switch between settings, even mid-mow if I wanted a different look.
Using the 2-in-1 feature was a breeze. The steel deck easily mulched or bagged, and I liked how straightforward it was to switch modes.
The 21-inch cutting width covered ground faster, which is perfect when you’re trying to finish up before the weekend ends.
The foldable design is a real plus for storage. It folds down compactly, saving a ton of space in my shed.
Unfolding and setting it up took just a few seconds—super convenient when you’re in a hurry to get mowing.
Overall, this mower feels like a reliable workhorse. It’s sturdy, powerful, and easy to handle, making yard chores less of a hassle.
The only minor drawback is that it’s a bit heavier than electric models, but that’s expected with a gas-powered machine.
BILT HARD 21″ Gas Self-Propelled Lawn Mower, 201cc, 3-in-1
- ✓ Easy to start and operate
- ✓ Versatile 3-in-1 deck
- ✓ Comfortable handle design
- ✕ Slightly heavy for some
- ✕ Higher price point
| Engine | 201cc 4-stroke OHV engine |
| Cutting Width | 21 inches |
| Cutting Height Adjustment | 1.2 to 3.75 inches via single lever |
| Drive System | Rear-wheel drive with single-speed self-propelled |
| Deck Material | Steel with 3-in-1 mulching, side discharge, and rear bagging capabilities |
| Torque | 9.0 ft·lb |
As soon as I pulled the BILT HARD 21″ Gas Self-Propelled Lawn Mower out of the box, I was struck by how solid and well-built it feels. The steel deck has a matte finish that doesn’t easily show scratches, and the 21-inch cutting width looks perfect for tackling larger lawns without making multiple passes.
The engine hums smoothly with a reassuring weight, and I appreciated how lightweight yet sturdy the whole unit feels in hand. The handlebar, with its foam wrap and ergonomic angle, is comfortable to grip, reducing fatigue during extended mowing sessions.
Starting it up was a breeze—no choke, no primer—just a quick pull and it roared to life.
Switching between mulching, side discharge, and bagging is straightforward thanks to the easy-to-use 3-in-1 deck. The single lever for height adjustment is a game-changer, letting me quickly set the cutting height from 1.2” to 3.75” with a smooth, synchronized motion across all four wheels.
Mowing my uneven yard felt effortless, thanks to the self-propelled rear-wheel drive that moved smoothly without much effort on my part.
The 201cc engine provides plenty of power, and I never had to worry about stalling or bogging down, even on thicker patches of grass. Overall, it’s a versatile, reliable machine that makes lawn care less of a chore.
It’s clear BILT HARD designed this mower with both performance and user comfort in mind, which makes it stand out among other 21-inch mowers in this price range.
YARDMAX 21″ 170cc 3-in-1 Gas Push Lawn Mower
- ✓ Quick deck height adjustment
- ✓ Excellent airflow and mulching
- ✓ Durable steel construction
- ✕ Slightly noisy operation
- ✕ 3-in-1 controls take practice
| Cutting Width | 21 inches |
| Engine Displacement | 170cc |
| Deck Material | Heavy-duty 16-gauge stamped steel |
| Deck Design | MAXFlow spiral deck for improved airflow and mulching |
| Cutting Height Adjustment | Single-lever, 7 positions from 1.25″ to 3.75″ |
| Drive Type | Push (manual propulsion) |
It was a surprise to find how effortlessly the YARDMAX 21″ lawn mower handled the thickest patches of grass in my yard. I expected a basic push, but the power behind the 170cc engine and the smooth deck adjustments made me rethink what a mid-range mower could do.
The single-lever deck adjustment is a game changer. I could switch between the seven cutting heights in seconds, which saved me so much time and frustration.
No fiddling with multiple levers or complicated settings—just a quick flick, and I was set.
What really caught me off guard was the MAXFlow Deck Technology. The spiral design seemed to really improve airflow, making mulching cleaner and more efficient.
I noticed fewer clumps and a more even cut across different grass types.
The heavy-duty, 16-gauge steel deck feels solid and durable. It’s one of those things you notice right away—this mower isn’t flimsy.
Plus, the seamless steel construction reduces vibration, so your arms don’t get as tired on extended mowing sessions.
At just $279, this mower packs a lot of features that usually come with higher-end models. It’s lightweight enough to maneuver easily but sturdy enough to handle regular use.
Honestly, it’s become my go-to for quick, clean lawns without the hassle.
If I had to find a downside, the 3-in-1 feature is a bit less intuitive at first, and the noise level is noticeable. But overall, it’s a reliable, well-designed mower that simplifies yard work.
What Are the Key Features of the Best 21 Inch Lawn Mowers?
The key features of the best 21 inch lawn mowers include:
- Cutting Performance: A good 21 inch lawn mower should provide a clean, even cut across various grass types and conditions. Features such as adjustable cutting heights and sharp blades contribute to efficient mowing, ensuring that the lawn looks neat and healthy after each use.
- Engine Power: The best models typically come equipped with reliable engines, often ranging from 140cc to 190cc. A powerful engine ensures that the mower can handle thick grass and uneven terrain without bogging down, making the mowing process quicker and more efficient.
- Ease of Use: User-friendly features such as self-propulsion, adjustable handles, and easy-to-start engines enhance the mowing experience. Ergonomically designed grips and lightweight construction also contribute to less fatigue during longer mowing sessions.
- Durability and Build Quality: The materials used in construction significantly impact longevity and performance. High-quality steel decks and reinforced components resist wear and tear, ensuring that the mower can withstand regular use over many seasons.
- Versatility: Many of the best 21 inch mowers offer multiple mowing options, including bagging, mulching, and side discharge. This versatility allows users to choose the best method for their lawn and personal preferences while promoting healthy grass growth through effective nutrient recycling.
- Maintenance Features: Features such as easy-access air filters, quick-change oil systems, and blade height adjustments simplify maintenance tasks. Regular maintenance is crucial for optimal performance, and mowers that facilitate this make ownership more convenient.
- Storage Options: The best 21 inch lawn mowers often come with foldable handles or compact designs to save space during storage. This is particularly beneficial for those with limited garage or shed space, allowing for easy transport and stowing when not in use.
How Do Different Brands of 21 Inch Lawn Mowers Compare?
| Brand | Cutting Width | Engine Power | Price | Weight | Cutting Height Adjustments | Mower Type | Warranty Period | User Ratings |
|---|---|---|---|---|---|---|---|---|
| Brand A | 21 inches – Ideal for small to medium lawns | 160cc – Provides efficient cutting performance | $300 – Mid-range pricing | 70 lbs – Manageable weight for most users | 6 positions – Enables customizable cutting height | Push – User-friendly design | 2 years – Standard warranty | 4.5/5 – Highly rated by users |
| Brand B | 21 inches – Versatile for various lawn sizes | 170cc – Offers more power for thicker grass | $350 – Slightly higher price for added features | 75 lbs – Slightly heavier but stable | 7 positions – Versatile cutting height adjustments | Self-propelled – Easier maneuverability | 3 years – Extended warranty | 4.3/5 – Positive reviews |
| Brand C | 21 inches – Perfect for narrow spaces | 140cc – Suitable for light mowing tasks | $250 – Budget-friendly option | 65 lbs – Lightweight for easy handling | 5 positions – Basic cutting height settings | Push – Simple to operate | 1 year – Limited warranty | 4.0/5 – Good for light use |
| Brand D | 21 inches – Great for precision trimming | 180cc – Strong performance on tough terrain | $400 – Premium choice for serious users | 80 lbs – Heavier duty for stability | 8 positions – Wide range for height adjustments | Self-propelled – Enhanced performance | 3 years – Comprehensive warranty | 4.8/5 – Excellent reviews from users |
What Are the Benefits of Using a 21 Inch Lawn Mower Over Other Sizes?
The benefits of using a 21-inch lawn mower include better maneuverability, suitable cutting width for small to medium lawns, and ease of storage.
- Maneuverability: A 21-inch lawn mower is ideal for navigating around obstacles such as trees, flower beds, and garden decor. Its compact size allows for easier handling in tight spaces, making it a great choice for residential yards with various landscaping features.
- Optimal Cutting Width: This size strikes a balance between efficiency and precision, allowing for effective cutting without being too cumbersome. It is well-suited for small to medium-sized lawns, providing a clean and even cut while minimizing the number of passes needed.
- Ease of Storage: The relatively smaller size of a 21-inch mower makes it easier to store in sheds or garages compared to larger mowers. This is particularly beneficial for homeowners with limited storage space, allowing them to keep their equipment organized and accessible.
- Fuel Efficiency: Typically, a 21-inch mower tends to be more fuel-efficient than larger models, which can lead to cost savings over time. This efficiency is also beneficial for environmentally conscious users who wish to minimize their carbon footprint.
- Lighter Weight: Generally, 21-inch mowers are lighter than their larger counterparts, making them simpler to lift and transport. This feature is particularly advantageous for those who may need to carry the mower up stairs or load it into a vehicle.
What Do Customer Reviews Reveal About the Best 21 Inch Lawn Mowers?
Customer reviews reveal several key factors that highlight the best 21-inch lawn mowers in terms of performance, durability, and user satisfaction.
- Cutting Performance: Reviewers often praise mowers that offer a clean, even cut, which is essential for maintaining a healthy lawn. The best models typically feature sharp blades and adjustable cutting heights, allowing users to tailor the mower’s performance to their specific grass type and height.
- Ease of Use: Many customers appreciate mowers that are user-friendly, with features such as lightweight designs, easy-start engines, and intuitive controls. This makes mowing less of a chore and more accessible for users of all ages and experience levels.
- Durability and Build Quality: High ratings often go to lawn mowers constructed with robust materials that can withstand the rigors of regular use. Customers look for steel decks and high-quality components that promise longevity and reduce the need for repairs or replacements over time.
- Maintenance Requirements: Reviews frequently highlight mowers that require minimal maintenance, such as those with easy-to-clean decks and accessible air filters. Customers appreciate models that save them time and effort in upkeep, allowing them to focus on mowing rather than maintenance.
- Power and Efficiency: Users often comment on the engine’s performance, with many preferring models that deliver sufficient power to handle tough grass conditions. Efficient fuel consumption is also a common factor, as customers seek to minimize operating costs while maximizing mowing efficiency.
- Noise Levels: Many reviews point out the importance of quieter operation, especially for residential areas. Customers tend to favor mowers that maintain lower noise levels, making the mowing experience more pleasant and considerate for neighbors.
- Bagging and Mulching Options: The versatility of a mower’s cutting options, such as bagging clippings or mulching them back into the lawn, is frequently mentioned. Customers appreciate models that provide flexible choices to handle grass clippings efficiently, contributing to a healthier lawn ecosystem.
- Customer Service and Warranty: Positive reviews often mention the quality of customer support and warranty offerings provided by manufacturers. A responsive service team and generous warranty can significantly enhance customer satisfaction, especially when issues arise.
How Much Should You Expect to Pay for a Quality 21 Inch Lawn Mower?
The cost of a quality 21-inch lawn mower can vary based on features and brand, but you can generally expect to pay between $300 to $600.
- Basic Models: These typically range from $300 to $400 and are suitable for smaller yards with simple mowing needs.
- Mid-Range Models: Priced between $400 and $500, these mowers often come with better engines and enhanced features like self-propulsion or adjustable cutting heights.
- High-End Models: These can cost $500 to $600 or more, featuring advanced technology like electric start, mulching capabilities, and superior build quality for more demanding mowing tasks.
Basic models usually have essential functions and are ideal for homeowners with smaller lawns or minimal landscaping. They tend to be lightweight and easier to maneuver, making them a practical choice for those who prioritize cost-effectiveness.
Mid-range models offer a balance of affordability and performance, often incorporating user-friendly features such as self-propulsion and enhanced cutting systems. This makes them suitable for medium-sized yards where efficiency and comfort during mowing are important.
High-end models are designed for serious gardeners and larger properties, featuring robust build quality and advanced functionalities that facilitate a more efficient mowing experience. These mowers are equipped with durable materials and often include warranties that reflect their longevity and reliability.
What Maintenance Practices Can Prolong the Life of a 21 Inch Lawn Mower?
Fuel System Maintenance is vital for ensuring consistent engine operation. Stale fuel can lead to clogging in the carburetor and other components, making it difficult to start the mower.
Deck Cleaning prevents grass clippings and debris from accumulating, which can lead to rust and reduced airflow around the blades. A clean deck promotes better cutting and easier maintenance.
Tire Maintenance ensures that the mower operates smoothly and efficiently. Properly inflated tires provide better traction and help maintain an even height for cutting.
Storage Practices are important to protect the mower from environmental factors like moisture and dust. Storing the mower in a dry, sheltered place can prevent rust and keep it in optimal working condition for the next season.
What Alternatives Exist for 21 Inch Lawn Mowers, and When Should You Consider Them?
- 18-Inch Lawn Mower: This smaller mower is ideal for tight spaces and small yards.
- Push Mowers: Manual push mowers offer an eco-friendly option and are best for flat terrains.
- Self-Propelled Mowers: These mowers are easier to maneuver and are suitable for larger yards with uneven terrain.
- Robotic Mowers: A modern solution, robotic mowers can autonomously maintain your lawn with minimal effort.
- Riding Lawn Mowers: Best for very large properties, these provide comfort and efficiency for extensive mowing tasks.
18-Inch Lawn Mower: The 18-inch lawn mower is a compact and lightweight option, making it perfect for small yards or gardens with narrow pathways. Its smaller cutting deck allows for easier navigation around flower beds and trees, but it may require more passes to cover larger areas compared to a 21-inch model.
Push Mowers: Push mowers are a traditional choice that requires physical effort, making them a good workout while mowing the lawn. They are particularly effective on flat surfaces and are also a more environmentally friendly option since they don’t rely on gas or electricity.
Self-Propelled Mowers: Self-propelled mowers come with a mechanism that drives the mower forward, which means less physical effort is needed from the user. They are particularly beneficial for users who have larger lawns or uneven terrain, as they can adjust their speed and make mowing easier.
Robotic Mowers: Robotic mowers offer a high-tech solution for lawn maintenance, allowing users to automate their mowing schedules. They can navigate around obstacles and are designed to work quietly, making them suitable for residential areas; however, they can be more expensive than traditional mowers.
Riding Lawn Mowers: Riding mowers are ideal for extensive properties and can significantly reduce mowing time due to their larger cutting decks. They provide comfort with a seat and steering wheel, making them a popular choice for individuals with large lawns, but they require more storage space and maintenance compared to smaller mowers.
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