PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn Mower,140CC OHV Engine,Bagging/Mulching/Rear Discharging, 6 Cutting Heights, Durable Steel Deck, Rear-Wheel Drive, for Garden, Yard Review

Overview

The PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn Mower is a budget-friendly workhorse designed for homeowners with small to medium-sized lawns (up to about 1/3 acre). It packs a 140cc OHV engine, rear-wheel drive, and a durable steel deck into a package that undercuts most competitors by $100 or more. This mower is best for buyers who want gas-powered reliability without the premium price tag, and who are comfortable with a no-frills machine that gets the job done.

Who Should Buy This

1. Homeowners with 1/4 to 1/3 acre lawns – The 21-inch cutting deck and 140cc engine are a perfect match for yards that are too big for a push mower but don’t justify a high-end model. You’ll finish in under an hour without straining the engine.

2. Budget-conscious shoppers who need self-propulsion – If you’ve been eyeing Honda or Toro models but balked at $500+, this mower delivers rear-wheel drive for under $320. It’s a solid compromise for those who value their back over a brand name.

3. First-time gas mower owners – The PowerSmart is straightforward to operate: no complex controls, no fancy features. It’s a great entry point if you’re moving up from an electric mower or need to replace an old beater.

4. Homeowners with sloped or uneven terrain – Rear-wheel drive provides better traction on hills than front-wheel drive models. If your yard has gentle slopes, this mower will handle them without you fighting the handlebars.

Key Features Breakdown

• 140cc OHV Engine – This is a reliable, if unremarkable, powerplant. It starts reasonably well (expect 2-3 pulls cold) and has enough torque to handle thick grass without bogging down. It’s not a Honda, but it’s a proven Chinese-made engine that’s easy to maintain. The OHV design means it runs cooler and cleaner than side-valve engines.

• 21-Inch Steel Deck – A 21-inch deck is the sweet spot for maneuverability and cutting width. The steel construction is durable enough for years of use, though it’s not the thickest gauge you’ll find. It’s powder-coated to resist rust, which matters if you store it in a damp garage.

• 3-in-1 Cutting Options (Bagging, Mulching, Rear Discharge) – This gives you flexibility. Mulching is decent for light grass, but for thick clippings you’ll want to bag. The rear discharge is handy for tall grass you want to blow into a corner. The bagger holds about 1.5 bushels, so expect frequent stops on larger lawns.

• 6 Cutting Heights (1.25 to 3.75 inches) – Adjustable via a single lever on each wheel (not a single-point system, which is a minor annoyance). The range covers everything from a close Bermuda cut to a taller fescue height. Most users will find their sweet spot around 2.5 inches.

• Rear-Wheel Drive Self-Propelled System – This is a key advantage over front-wheel drive mowers. The drive engages with a squeeze lever on the handlebar, and speed is controlled by a separate dial. It’s not infinitely variable, but the 3-4 mph range is fine for most walking paces. On flat ground, it feels responsive; on hills, it pulls reliably.

Pros

1. Excellent value for the price – At $314, you’re getting a self-propelled gas mower that competes with models costing $150 more. The feature set is impressive for the price point.

2. Rear-wheel drive performs well on slopes – Unlike many budget mowers that use front-wheel drive, this one gives you better traction on inclines. You won’t feel like you’re wrestling a shopping cart on a hill.

3. Simple, reliable starting – The engine has a primer bulb and automatic choke, which reduces the learning curve. Most users report it starts within 2-3 pulls after a winter break.

4. Solid steel deck – It’s not the thickest, but it’s built to last. The powder coating adds corrosion resistance, and the deck won’t warp or crack like some plastic-based competitors.

5. Lightweight and easy to maneuver – At around 65 pounds, it’s lighter than many self-propelled mowers. This makes it easier to push manually in tight spots or load into a truck.

6. 3-in-1 versatility – You can switch between bagging, mulching, and discharging without tools. The mulching plug is easy to install, and the rear discharge chute works well for leaving clippings in place.

Cons

1. Plastic wheels feel cheap – The wheels are made of hard plastic with minimal tread. They work fine on dry grass but can slip on wet or dewy lawns. The height adjustment pins are also plastic and could break if overtightened.

2. Bagger is small and awkward – The grass catcher fills quickly (about 1.5 bushels) and is tricky to attach/detach. The latch mechanism feels flimsy, and the bag tends to sag when full unless you support it.

3. Engine can be finicky in cold weather – Some users report hard starts below 50°F. This is common with budget engines; using fresh gas and a stabilizer helps. It’s not a dealbreaker, but don’t expect Honda-like cold-start reliability.

4. No single-point height adjustment – You have to adjust each wheel individually with a lever. It’s not a huge hassle, but it’s slower than the single-lever systems on more expensive mowers. If you change height often, this will annoy you.

Bottom Line

The PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn Mower is a smart buy for homeowners who want gas-powered performance on a budget. It’s not the most refined mower on the market—the wheels feel cheap, the bagger is small, and the engine isn’t a Honda—but it delivers where it counts: reliable starting, good cutting power, and proper rear-wheel drive on slopes. If you have a 1/4 to 1/3 acre yard with gentle hills and you’re willing to trade a few premium features for a $150 savings, this mower will serve you well. I’d recommend it confidently to budget-conscious buyers, especially first-time gas mower owners. Just plan to replace the bagger if you bag frequently, and use fuel stabilizer religiously.

Frequently Asked Questions

Q: Does this mower come with oil and fuel, or do I need to buy them separately?
A: You need to buy both. The mower ships without oil in the crankcase (you’ll need about 20 oz of SAE 30 or 10W-30) and without fuel. Use fresh, ethanol-free gasoline if possible to avoid carburetor issues. The manual recommends 87 octane or higher