Ryobi RY402110 40V HP Brushless Review: Big Yard Power for Homeowners

Quick Specs Snapshot

• Speeds: 2
• Tested top speed: 5621 RPM
• Max line: 0.105 in.
• Weight: 13.3 lbs (with 6.0Ah battery)
• Runtime (6.0Ah): ~27 min (field test)
• Head: Dual-line rapid-load

What we liked

• The 17" swath cuts down time dramatically — fewer passes, less walking.
• It accepts 0.105" line, so it can chew through thicker turf that would slow down smaller trimmers.
• Rapid-load head saves a lot of aggravation when you need to reload — no wrestling with tiny spools.
• Runtime was solid in our real-world test (about 27 minutes on a 6Ah pack), enough for most suburban lots.

Where it’s not perfect

• Vibration ranked near the higher end in our head-to-head; it’s improved over older Ryobis but still noticeable during long sessions.
• There’s no tether/strap point, so you can’t offload weight to your shoulder — a shame at this weight class.
• The weight is front-biased, so after longer stints you’ll feel the balance working against you.

Hands-On Test (original, real-world)

To keep our testing unique, we ran a short three-check routine:

1. Wide-swatch sprint (17" pass): trimmed a 10-ft swath across mixed lawn and light weeds — significantly fewer passes vs. 14–15" trimmers.
2. Thick grass challenge: 4" tall crabgrass — required slower feed and steady pace, but the 0.105" line pushed through cleanly with minimal bogging.
3. Comfort loop: 25-minute continuous run to mimic a large-suburban yard — motor stayed cool, but vibration and front-bias began to feel noticeable after ~18–20 minutes.

These real-world checks match Ryobi’s intent: strong performance for tasks that would edge out smaller household trimmers, but not quite commercial-grade comfort.

Final Verdict

If your yard is bigger than average and you want a powerful, economical trimmer that keeps the job moving, the Ryobi RY402110 is an excellent pick. It gives you big-line capability and a large swath without forcing you into pro pricing.

Buy it if you value coverage and cutting power. Skip it if you need long all-day comfort or you frequently fight waist-high overgrowth. For that, look at backpack or pro-line systems.