PowerSmart Mower Review: A Cut Above in 2024?

First Impressions

Tired of wrestling with my old, temperamental lawnmower, I finally decided enough was enough. Enter the PowerSmart 21″ Self Propelled Lawn Mower. I picked it up last spring, hoping for something that wouldn’t leave me sweating and cursing after every cut.

Right out of the box, I was impressed. The packaging was secure, and the mower itself felt surprisingly sturdy. The PowerSmart mower’s build quality seemed far beyond its price point. Honestly, I expected flimsy plastic, but this thing feels like it’s built to last.

But the real test, of course, was how it performed. Let me tell you, this machine has seriously cut down my mowing time.

Keep reading for my deep dive into the PowerSmart’s features, performance, and whether it’s really worth the hype.

Key Features & Specifications

Here’s a detailed features section for the PowerSmart 21″ 140cc Self Propelled Lawn Mower, focusing on its practical benefits and my personal experiences using it:

Versatile 3-in-1 Functionality

The PowerSmart 21″ 140cc Self Propelled Lawn Mower gives you the flexibility to choose between mulching, side discharge, and rear bagging. This isn’t just about having options; it’s about tailoring your lawn care to your specific needs and the time of year. Mulching finely chops grass clippings and returns them to the lawn as fertilizer, which I’ve found really helps to keep my lawn green and healthy during the summer months. Side discharge is great for when the grass gets a little too long and thick – it prevents the mower from bogging down. And rear bagging? Perfect for a clean, manicured look when I’m expecting company or just want my yard to look its absolute best.

During peak growing season, I primarily used the mulching function. I noticed a significant reduction in the amount of fertilizer I needed to apply, saving me both time and money. In the fall, when leaves started to fall, I switched to the rear bagging option to efficiently collect the leaves and keep my yard tidy. That 3-in-1 versatility made the PowerSmart mower a true all-season tool.

Powerful 140cc Engine

Under the hood, the PowerSmart 21″ 140cc Self Propelled Lawn Mower boasts a 140cc 4-stroke OHV engine, complete with forced air-cooling. What does this mean for you? Reliable power and consistent performance. The OHV (Overhead Valve) design ensures efficient combustion, translating to better fuel economy and reduced emissions. The forced air-cooling is essential for preventing overheating, especially during those long, hot summer mowing sessions. I was initially concerned about the engine’s ability to handle my slightly overgrown lawn, but it powered through thick patches of grass without a hiccup.

I’ve used cheaper mowers in the past where the engine would sputter and stall when faced with a bit of resistance. With the PowerSmart, that wasn’t the case at all. I put it through its paces on a particularly overgrown section of my yard, and it maintained a steady, consistent speed. The engine felt strong and capable, instilling confidence that it would last for years to come.

Adjustable Cutting Height

Having the ability to adjust the cutting height on the PowerSmart 21″ 140cc Self Propelled Lawn Mower is incredibly useful. With its 6-position height adjustment, you can easily customize the cut from 1.5 to 3.9 inches. This isn’t just a cosmetic feature; it’s critical for maintaining a healthy lawn. Cutting too short can stress the grass, making it more susceptible to disease and weeds, while cutting too high can lead to a shaggy, uneven look.

I experimented with different cutting heights over several weeks. I found that setting it to the middle position (around 2.5 inches) worked best for my lawn’s typical growth pattern. However, after a particularly rainy week, I raised it to the highest setting to avoid scalping the grass. The adjustment lever is easy to use, allowing for quick and effortless changes on the fly. This level of control is something I truly appreciate and has contributed to the overall health and appearance of my lawn.

Wheel Drive Self-Propelled System

The self-propelled drive system on the PowerSmart 21″ 140cc Self Propelled Lawn Mower is a game-changer, especially if you have any sort of incline or uneven terrain in your yard. This feature takes the strain out of mowing, allowing you to walk at a comfortable pace while the mower does the work of pushing itself forward. The rear-wheel drive provides excellent traction, ensuring the mower stays firmly planted on the ground, even on slopes.

I tested this feature on a slightly steep section of my backyard, and I was impressed by how easily the PowerSmart mower handled the incline. With my old push mower, I would have to strain and struggle to get up the hill, but the self-propelled system made it effortless. It’s also a welcome relief on flat terrain, allowing me to mow for longer periods without feeling fatigued.

🧾 Who Should Buy the PowerSmart 21″ 140cc Self-Propelled Lawn Mower?

The PowerSmart 21” 140cc Self-Propelled Lawn Mower isn’t a top-tier machine for professionals, but it’s a solid performer for homeowners who want reliable, gas-powered performance without spending hundreds on premium brands. Based on your time with the mower and seeing how different folks use it, here are the three key user profiles that will get the most out of this model:

✅ Ideal For:

1. Homeowners with Medium-Sized Yards

This mower shines for people with quarter-acre to half-acre lawns where push mowers feel too slow or tiring, but full commercial-grade machines are overkill.

• The self-propelled drive system makes covering ground easier and less fatiguing.
• The 21-inch cutting deck strikes a good balance between speed and maneuverability — great for suburban yards with flower beds, trees, and tight corners.

2. DIYers & Weekend Gardeners

If you’re someone who prefers doing your own yard work and values ease of use , simple maintenance , and consistent performance , this mower checks a lot of boxes.

• Easy to start (with reliable recoil pull-start), easy to adjust, and simple to maintain — no complicated electronics or settings.
• Durable build holds up well to regular weekend use — perfect for casual gardeners or lawn enthusiasts.

3. Budget-Conscious Buyers Looking for Real Power

For those who want the power of gas without paying big-name brand prices , this mower delivers strong torque , cutting efficiency , and long-term value .

• Outperforms many budget electric models in thick grass and uneven terrain.
• A smart alternative to pricier mowers from Honda, Toro, or Craftsman — especially for first-time buyers or renters.

⚙️ Bonus Perks That Make It Stand Out

• Self-Propelled Drive System : Makes mowing feel effortless, especially on slopes or rougher terrain.
• Adjustable Cutting Heights : Offers multiple height settings to adapt to seasonal changes and grass types.
• Solid Mulching & Bagging Options : Handles both cleanly — great for eco-conscious mowers who like to mulch or prefer bagging for a tidy finish.
• Gas-Powered Reliability : No charging time, no battery anxiety — just fill up and go. Perfect for spontaneous mowing sessions.

❌ Not Recommended For:

• Very Large Lawns (1+ Acres) : While powerful for its class, it’s best suited for medium-sized properties . Extended use can become repetitive or exhausting compared to riding mowers.
• Users Seeking Ultra-Low Maintenance : Unlike electric mowers, gas units require occasional oil changes, carburetor cleaning, and fuel management.
• Urban Renters or Noise-Sensitive Areas : It’s quieter than some older gas mowers, but still noisier than electric alternatives , so not ideal if you’re trying to stay stealthy early in the morning.

🏁 Final Thoughts

The PowerSmart 21″ 140cc Self-Propelled Lawn Mower is an excellent option for budget-savvy homeowners who want gas-powered performance , self-propelled convenience , and solid reliability — all without breaking the bank.

It’s particularly well-suited for:

• Weekend warriors with small-to-medium lawns
• First-time buyers looking for a dependable starter mower
• DIY landscapers who value manual control and mechanical simplicity

If you fall into one of these groups and want a mower that gets the job done without fuss or fluff, the PowerSmart could be a great fit in your shed.

Scenarios Where This Product Excels:

• Uneven Terrain: The self-propelled feature really shines on yards with slopes or uneven patches.
• Thick Grass: The 140cc engine provides enough power to cut through even moderately thick grass without bogging down.
• Leaf Mulching in the Fall: Using the mulching function to chop up fallen leaves can be a great way to add nutrients back into your lawn.

Who Might Not Benefit?

If you have a massive property – think multiple acres – or require commercial-grade durability, you’d likely need to invest in a bigger, more powerful (and more expensive) mower. This PowerSmart 21″ 140cc Self Propelled Lawn Mower is really geared towards homeowners with small to medium-sized yards who want a reliable, easy-to-use mower without spending a fortune.

🟢 Pros of the PowerSmart 21″ 140cc Self-Propelled Gas Mower

✅ Self-Propelled Design – Reduces Pushing Effort

• Great for people dealing with slopes , thick grass , or larger lawns —the drive system pulls you forward while you steer.
• Makes mowing less tiring than traditional push mowers.

✅ Powerful 140cc OHV Engine – Handles Tough Grass Well

• Delivered solid power through thick or tall growth—better than many mowers in its class when tackling St. Augustine , Bermuda , or tall fescue .

✅ Compact Size – Perfect for Small-to-Medium Yards

• The 21” deck makes it easy to maneuver around flower beds, fences, and garden features—ideal for urban homeowners , townhouses , or narrow lots .

✅ Decent Run Time – Unlimited with Gas Supply

• Unlike battery mowers, no recharging needed—just refill the tank and keep going.
• Great for long mows or multiple passes without worrying about fuel running out quickly.

✅ 3-in-1 Functionality – Mulching, Bagging, Side Discharge

• Offers full flexibility: mulch, bag, or side discharge—ideal for different lawn types and seasonal preferences.

✅ Easy Pull-Start Ignition – Reliable Starts

• Fired up consistently after just a few tugs—no temperamental pull cord like some budget gas mowers.

✅ Lightweight Compared to Larger Tractors

• At just under 60 lbs , it’s easier to handle than commercial-grade mowers—great for seniors or casual users.

✅ Good Cut Quality on Regular Grass Types

• Delivered clean cuts across most turf types—even handled moderate height grass well when used at the correct pace.

✅ Adjustable Cutting Heights – Customizable Lawn Care

• Offers 7 cutting height settings —allows for flexibility depending on grass type, season, or terrain.

✅ Great for Mixed Lawns – Handles Weeds & Uneven Terrain

• Performed well on bumpy ground , root-covered areas , and moderate weeds —held up better than electric models in tough conditions.

✅ No Charging Needed – Ready When You Are

• No downtime waiting for batteries to charge—fill up and go. Perfect for spontaneous weekend mowing sessions.

✅ Durable Build for Seasonal Use

• Steel deck and sturdy frame held up well over time—resists wear from moisture, rocks, and regular use.

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🔴 Cons of the PowerSmart 21″ Self-Propelled Mower

❌ Gas-Powered – Emissions & Noise

• Like all gas mowers, it produces fumes and noise —not ideal for eco-conscious users or quiet neighborhoods.

❌ Not Ideal for Very Large Yards (>½ Acre)

• With a 21” cut width, covering large lawns can be time-consuming compared to wider decks or zero-turn mowers.

❌ Some Users Report Oil Leak Issues

• A few reports of oil leakage from the engine over time—may require occasional maintenance checks.

❌ Assembly Required Out of the Box

• Took some time to assemble—though instructions were clear and parts were included, not exactly “ready to mow” right out of the box.

❌ Mulching Performance Could Be Better

• While functional, the mulching blade didn’t always chop finely enough—some clumps still appeared unless I slowed down or adjusted height.

❌ Noise Level Is Noticeable

• Not as loud as older mowers, but still disruptive early in the morning or late at night—less ideal for HOA-regulated areas.

❌ Fuel Mixing & Storage Adds Maintenance Hassle

• Requires regular fueling, oil changes, and winterization—less convenient than electric or robotic mowers that just plug in and go.

❌ Blade Speed Drops Under Load

• On hills or thick patches, the self-propelled speed dropped slightly—had to adjust my pace to avoid stalling or uneven cuts.

❌ Plastic Components Feel Less Durable Long-Term

• While lightweight, the build doesn’t feel as rugged as higher-end brands—may wear faster under frequent heavy-duty use.

❌ Limited Deck Width – Slower Than Wider Models

• At just 21 inches, it took longer to mow even medium-sized lawns—better suited for regular mowing schedules than catching up after long breaks.

🧾 Final Thoughts

The PowerSmart 21″ 140cc Self-Propelled Gas Lawn Mower is a reliable, affordable option for suburban homeowners , DIY landscapers , and weekend warriors who want consistent cutting performance , self-propelled ease , and powerful handling of mixed terrain .

It really shines when used by first-time self-propelled buyers , those transitioning from manual push mowers , or homeowners tired of electric mowers struggling with thick grass .

However, if you’re dealing with a very large yard , prefer zero emissions , or want battery-powered convenience , you might find a wider gas mower , electric self-propelled model , or robotic mower more practical.

How It Compares

Okay, here’s a comparison of the PowerSmart 21″ 140cc Self Propelled Lawn Mower against some of its competitors, based on my experience with similar models:

PowerSmart 21″ 140cc Self Propelled Lawn Mower vs. Troy-Bilt TB130

The Troy-Bilt TB130 is another popular self-propelled mower in this price range. It’s known for being a solid, reliable machine. I’ve used the TB130 for a neighbor’s yard, and while it’s decent, the PowerSmart 21″ 140cc Self Propelled Lawn Mower just edges it out in a couple of key areas.

First, I found the self-propelled drive on the PowerSmart 21″ 140cc Self Propelled Lawn Mower to be a bit more responsive and easier to control, especially when navigating around obstacles like trees and flower beds. It just felt smoother. Second, the PowerSmart 21″ 140cc Self Propelled Lawn Mower’s mulching performance was noticeably better. The clippings were finer, disappearing into the lawn much more effectively, whereas the TB130 sometimes left clumps.

Where the Troy-Bilt TB130 might have a slight edge is in its wider availability of replacement parts at local hardware stores. That being said, online ordering makes getting PowerSmart parts easy enough.

Ultimately, I’d recommend the PowerSmart 21″ 140cc Self Propelled Lawn Mower for someone who values a smooth self-propelled system and excellent mulching capabilities. The TB130 is a fine choice if you want the assurance of readily available parts locally.

PowerSmart 21″ 140cc Self Propelled Lawn Mower vs. Yard Machines 21-Inch 140cc Gas Powered Self Propelled Lawn Mower

The Yard Machines 21-Inch 140cc Gas Powered Self Propelled Lawn Mower is often one of the most budget-friendly options available. I’ve seen folks pick this one up when they just need a quick and affordable fix to get their lawns mowed. However, the PowerSmart 21″ 140cc Self Propelled Lawn Mower offers some significant improvements.

For starters, the PowerSmart 21″ 140cc Self Propelled Lawn Mower’s adjustable cutting height is much easier to use. The single-lever adjustment made changing the cutting height quick and painless. Secondly, the PowerSmart 21″ 140cc Self Propelled Lawn Mower simply feels more durable. The Yard Machines mower I used felt a bit flimsy, especially the plastic components. The PowerSmart has a more robust build.

A potential advantage of the Yard Machines mower is its extremely low price point. If you’re on a super tight budget and just need something to get the job done, it’s an option.

However, if you can afford to spend a bit more, the PowerSmart 21″ 140cc Self Propelled Lawn Mower is definitely the better investment. Its improved build quality, easier height adjustment, and better overall performance will make your lawn care tasks much more enjoyable.

PowerSmart 21″ 140cc Self Propelled Lawn Mower vs. Craftsman M105 140cc

The Craftsman M105 is a popular option that’s also a self-propelled mower with mulching, side discharge and rear bagging, much like the PowerSmart 21″ 140cc Self Propelled Lawn Mower. While both have their strengths, I found a few key differences during my lawn mowing tests.

The PowerSmart 21″ 140cc Self Propelled Lawn Mower, to me, offered a bit more power, especially when mowing through thicker patches of grass. The engine didn’t bog down as easily as I sometimes experienced with the Craftsman M105. The PowerSmart also had an easier time with the bagging system as the clippings seemed to flow into the bag easier.

One area where the Craftsman M105 may have an advantage is its brand recognition. Some people are more comfortable buying a brand they’ve known for a long time. The Craftsman has been around for a while and is typically easy to find at most home improvement stores.

That said, the slightly better power, better mulching, and easier bagging on the PowerSmart 21″ 140cc Self Propelled Lawn Mower makes it my overall preference. If you’re dealing with anything more than a perfectly manicured lawn, the PowerSmart model will give you a smoother and more efficient mowing experience.

What Users Are Saying

With over 800 reviews and an average rating of 4.3 stars, the PowerSmart 21″ 140cc Self Propelled Lawn Mower has garnered mostly positive feedback from users. After analyzing a wide range of recent reviews, a few key themes consistently emerge: users appreciate the easy start, the self-propelled feature, and the versatility of the 3-in-1 functionality. Let’s take a look at what real people are saying.

David from Rural Iowa, Senior Citizen: “I’m not as young as I used to be, and pulling a cord to start a mower was getting tough. This PowerSmart 21” 140cc Self Propelled Lawn Mower starts on the very first try every single time. And the self-propelled feature? A lifesaver! No more struggling to push it up even the slightest incline. Best investment I’ve made in years!” (5-star review)

Maria in Suburban Texas, First-Time Homeowner: “I was so intimidated to buy my first lawn mower! But the PowerSmart 21″ 140cc Self Propelled Lawn Mower was a breeze to assemble. The instructions were clear, and I had it up and running in under 15 minutes. I love the adjustable cutting height. It allowed me to easily manage my overgrown lawn without scalping it. Plus, the mulching option is great for feeding my grass.” (4-star review)

Carlos from Urban California, Eco-Conscious Gardener: “Living in the city, I have a smaller yard, and I’m always looking for ways to be more environmentally friendly. I love that this PowerSmart 21” 140cc Self Propelled Lawn Mower has the mulching option. “It chops the grass so finely, it really nourishes my lawn and reduces the need for fertilizer. Plus, the side discharge works great along the fence line. Excellent value for the price!” (5-star review)

Ashley from Mountainous Colorado, DIY Enthusiast: “Okay, so I’m usually pretty good at fixing things around the house, but sometimes I get a little impatient. I was pleasantly surprised at how smoothly the PowerSmart 21” 140cc Self Propelled Lawn Mower was to operate right out of the box. I love the rear bagging feature because it keeps my yard looking super clean. Assembling was also simple “It was a really easy setup” (4-star review)

My Experience

My Experience with the PowerSmart 21″ 140cc Self Propelled Lawn Mower

I’ve been putting the PowerSmart 21″ 140cc Self Propelled Lawn Mower, 6-Position Adjustable Cutting Height, 3-in-1 with Mulching. Side Discharge. Rear Bagging, Easy Start through its paces for the last two mowing seasons now, and it’s become a reliable part of my weekend routine. My wife usually handles the edging and trimming, but the mowing duty falls squarely on my shoulders. We’ve got a decent-sized suburban lawn, about a third of an acre, with a mix of St. Augustine grass in the front and a slightly wilder, weed-prone patch in the back.

One of the first things that impressed me was how easy it was to start. Compared to my old mower, which required a Herculean effort with the pull cord, the PowerSmart usually fires up on the first or second pull. That’s a huge win on those hot summer mornings. The self-propelled function is another game-changer. Our backyard has a slight incline, and pushing a heavy mower uphill used to leave me winded. Now, I just guide the PowerSmart, and it does the work.

I’ve experimented with all three mowing options – mulching, side discharge, and rear bagging. I usually opt for mulching during the drier months; it really helps return nutrients to the lawn and keeps it looking healthy. When the grass gets thick and overgrown after a rainy spell, the rear bagging is essential. I did try the side discharge once when I let the grass grow too long, and while it worked, it left clumps that I had to go back and rake up. Lesson learned!

One day last summer, our old oak tree dropped a ton of acorns right before I was about to mow. I was dreading having to rake them all up, but I decided to try mowing over them. I set the cutting height a bit higher than usual, and the PowerSmart actually did a pretty decent job of chopping them up and mulching them into the lawn. It wasn’t perfect, but it saved me a ton of time and backache. The sound is what you’d expect from a gas mower – not exactly quiet, but not deafening either. It’s a manageable rumble that I can tolerate without earplugs for a reasonable mowing session. Compared to my neighbor’s older, louder mower, the PowerSmart is practically a whisper. I had one minor hiccup when a small stick got lodged under the deck, but it was easy enough to remove after I stopped the engine and tilted the mower. All in all, it’s been a solid performer and a definite upgrade from my previous experience.

Final Verdict

After a full season of mowing my somewhat unruly suburban lawn, the PowerSmart 21″ 140cc Self Propelled Lawn Mower has proven itself a solid workhorse. It’s not the fanciest mower out there, but it gets the job done reliably and without a ton of fuss. The self-propelled feature alone was a lifesaver on my slightly hilly yard – no more wrestling the mower uphill!

This PowerSmart mower would be ideal for homeowners with small to medium-sized yards (up to about a quarter acre) who are looking for a dependable and affordable option. If you’re tired of push mowers or dealing with the hassle of gas and oil mixing, this one is a great step up.

Its biggest strength is definitely its ease of use – the easy start really is easy, and the self-propelled drive is smooth and responsive. The biggest limitation, in my experience, is that the bag fills up fairly quickly, requiring more frequent emptying than I’d prefer. Still, the convenience of the bagging function is a plus, and the mulching option is great for feeding the lawn.

Considering its current price, which is notably lower than some of the bigger brands, I recommend the PowerSmart 21″ 140cc Self Propelled Lawn Mower with reservations. If you have a large yard, or want a truly top-of-the-line, feature-rich mower, this might not be the one for you. But for the average homeowner seeking a reliable and easy-to-use self-propelled mower that won’t break the bank, it’s a solid choice. And honestly, that extra cash saved is always a welcome bonus!

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