Ryobi Carbon Fiber Trimmer

ryobi 40v carbon fiber trimmer

When it comes to string trimmers, one of the most important facets is the shaft, and, interestingly, it’s probably one of the parts that people think of the least. Comprising the lion’s share of the tool, it’s responsible for reach and much more. For instance, the shaft is the critical link between the power head and the motor. As such, it affects balance, control, and, generally speaking, the tool’s overall performance. Based on these factors, Ryobi seems to have gone all in with its 40V Carbon Fiber Trimmer (RY40HPST01K).

Here’s a look at what this soon-to-come product has to offer.

Ryobi 40V Carbon Fiber Trimmer Performance

ryobi carbon fiber string trimmer

Starting with power, driving this trimmer is a brushless motor and a 40V (4Ah) battery. Together, they produce the equivalent of a 27cc engine. That’s not bad considering that a 20cc is light duty and a 35cc is in the commercial realm. So, we’d put the RY40HPST01K within the Prosumer range.

And, even with this relatively high power, Ryobi tells us that their string trimmer will give you about 45 minutes of runtime, which brings us to the carbon fiber shaft. Specifically, let’s see how this part can help you make the most of your work outings.


We think this is a great material for any tool with a shaft–whether it’s a pole saw, an edger, or, in this case, a string trimmer. Carbon fiber shafts are strong, durable, and lightweight. All of these qualities are assets in terms of performance, operator comfort, and the unit’s lifespan.

ryobi RY40HPST01K

In addition to the carbon fiber shaft, Ryobi gave this 40V string trimmer a formidable business end. Using .095 line, its cutting head clears a 14- to 16-inch swath, and should easily tackle everything from maintenance trimming and edging to weeds, light brush, and hard-to-reach overgrowth.

While you’re here, learn why your string trimmer line length is important!

Ryobi Carbon Fiber Trimmer Design

Normally, we would discuss the carbon fiber shaft in our design tour, but, having just covered it, we’ll move on to the RY40HPST01K’s versatility.

This model is compatible with the Ryobi EXPAND-IT attachment system and other universal attachments. We’ve already had our hands on one of these tools, and they’re pretty cool. Indeed, each piece of gear in this series is essentially a hybrid of a Swiss Army Knife and Q’s work in James Bond. (We were impressed with the Ryobi EXPAND-IT edger RY40226-EDG.)

ryobi carbon fiber expand it trimmer

A few other things that we like about this carbon fiber trimmer include the REEL EASY+ 3-in-1 bump-feed head, which Ryobi says you can reload in under 60 seconds. Also, we anticipate that the 2-speed switch and variable speed trigger will further enhance control.

When the time comes, we look forward to putting the RY40HPST01K to the test.

Ryobi RY40HPST01K Pricing and Availability

The Ryobi 40V carbon fiber string trimmer retails for $199. It comes with a 4.0Ah battery and a charger.

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