Ryobi 40V HP Brushless 17 in Trimmer

Last updated: October 31, 2026

Ryobi 40V HP Brushless 17 in Trimmer
4.2/5#3 of 18 in battery string trimmers
4.2

A strong, wide cutting trimmer for medium to large yards, and a base for Ryobi’s Expand-It attachments.

  • 17 inSwath
  • .095 inLine
  • 5 yearsWarranty
Check price at RYOBI$249

Price checked October 31, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros
  • Up to 17 in. swath clears big lawns in fewer passes
  • Takes Ryobi Expand-It edger, pole saw and other attachments
  • Bump head reloads line without taking the spool apart
  • Five year tool warranty
Cons
  • Ryobi doesn’t publish the weight, and it is a long, heavy tool
  • 45 minutes on the kit battery won’t finish a large lot
  • Best value only if you already use Ryobi 40V batteries

How it scores

The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its power source. How we rank explains each one.

Specifications

Model numberRY40HPST02K
Cutting
Cutting swath17 in
Largest line.095 in
Line feedBump feed
ShaftStraight
Converts to edgerNo
Takes attachmentsYes
Power
Engine or battery40 V, 4 Ah of battery
Battery energy160 Wh
Battery includedYes
Runtime45 min
Brushless motorYes
Variable speedYes
Build
Warranty5 years
Battery warranty3 years

Alternatives in this power source

EGO ST1511T
#2 in Battery4.3Full review

A strong 15 in. trimmer for suburban yards, with the easiest line reloading around and a long warranty. Buy it if you already own EGO batteries or want to start on that platform.

Amazon $219
$219

Compare

Compare the Ryobi 40V HP Brushless 17 in Trimmer with any other string trimmer →

More from Ryobi: every Ryobi product ranked.