PowerSmart Gas Weed Wacker, String Trimmer/Edger 16-Inch wit

The Verdict

The PowerSmart 16-Inch Gas Trimmer: More Torque, Less Money — But Read This First

If you’re staring down a fence line swallowed by weeds or a ditch that laughs at battery-powered trimmers, the PowerSmart 16-inch gas weed wacker is the kind of tool that makes sense. It’s not the flashiest name in outdoor power equipment, but at a 4.2-star average across 210 ratings, it’s clearly doing something right for budget-conscious homeowners who need serious cutting power without paying Stihl or Echo prices.

What You Actually Get

The box contains the trimmer with a 21.7cc 2-cycle engine, a dual-feed cutting head pre-wound with 0.095-inch line, the straight shaft, a cutting guard, and the owner’s manual. You’ll need to supply your own 50:1 gas-oil mix — this is not a 4-stroke with a separate oil fill, so if you’ve never mixed fuel before, budget five minutes to learn. The shaft is tool-free adjustable, so flipping from trimming to edging takes about three seconds once you get the hang of the locking collar.

Performance and Build

Here’s where this trimmer punches above its price point. The 21.7cc engine has noticeable grunt. One reviewer put it plainly: “I’ve used it on heavy brush along my back fence that killed my old electric trimmer’s battery in 10 minutes. This thing just keeps going.” That’s the consistent story — owners with overgrown, neglected yards are genuinely surprised by how well this clears thick stuff.

The 16-inch cutting swath is wider than the 13- or 14-inch heads on most budget trimmers, meaning fewer passes along long fence lines. The dual-feed line system is straightforward: two lines feed out simultaneously, and the bump head advances them when you tap it on the ground. It’s not auto-feed, so you’ll stop occasionally to bump — minor friction, not a dealbreaker.

Build quality is where you feel the price. The shaft is solid steel, and the engine is a proven clone design that’s easy to work on. But the plastic housing around the head and the bump knob itself are the weakest components. Multiple owners report cracking the head after hitting it against concrete edging or using it to “whack” weeds at full throttle. One said, “Great power, but the bump feed head is cheap. I replaced mine with a metal head after three weeks.” That’s a $15 fix, but worth knowing upfront.

What Buyers Consistently Praise

The power-to-price ratio dominates positive feedback. Owners repeatedly mention:

• Starts reliably (after proper prime and choke procedure) — “Fires up on the second pull every time, even after sitting for a month.”
• Fuel efficiency — a full tank covers a typical suburban lot with plenty to spare.
• Easy assembly — one buyer noted, “Out of the box and running in 15 minutes, including mixing the fuel.”

Where It Falls Short

Beyond the plastic head, the vibration is worth noting. At full throttle, this thing shakes — more than a premium brand. For a 20-minute trim job, it’s fine. For a full afternoon of clearing a large property, your hands will feel it. Also, the shoulder strap is functional but basic; the pad is thin, so the weight transfers noticeably on long sessions. At roughly 12 pounds, it’s not heavy, but the vibration amplifies fatigue.

Who Should Buy This

• The budget-conscious homeowner with a quarter-acre to a full acre who’s tired of battery limitations.
• The new property owner facing overgrown ditches, fence lines, and brush that needs serious clearing.
• The DIYer comfortable with basic maintenance — this engine is easy to service, but you’ll need to replace spark plugs and air filters yourself.

Skip it if you have a small, well-maintained yard under 5,000 square feet — an electric trimmer is lighter and easier. Also skip if you have a bad back or hand issues; the vibration is real.

FAQ

Q: Does it come with the gas and oil mix already? A: No. You’ll mix 50:1 gas to 2-cycle oil yourself. Buy a small bottle of quality 2-cycle oil — don’t use automotive oil.

Q: Can it edge sidewalks without breaking the line? A: Yes, the edger mode works well, but go easy on the plastic bump head. Use the guard and keep the head off concrete.

Q: How loud is it? A: Typical gas trimmer volume — around 90+ decibels at the ear. Wear hearing protection.

The Verdict

Buy it if you need serious cutting power on a budget and don’t mind mixing fuel and replacing a $15 plastic head.

Skip it if you want zero-maintenance convenience or have a small yard where battery power makes more sense.

Rating: 4.2/5 — The PowerSmart delivers where it matters: raw cutting performance. The plastic head and vibration hold it back from a perfect score, but for the price, this is a genuinely capable machine that will chew through what your mower can’t reach.

Where to Buy

👉 Check Price on Amazon →

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Last updated: 2026-08-06. Ratings and prices current as of review date. Verify on Amazon before purchasing.