DeWalt
DeWalt DCST972 FLEXVOLT 60V MAX 17" Brushless String Trimmer
$329
Released 2021
Best String Trimmers · head-to-head
DeWalt DCST972 FLEXVOLT 60V MAX 17" Brushless String Trimmer vs Echo SRM-225 21.2cc Straight Shaft Gas String Trimmer
A sourced, side-by-side comparison. Echo SRM-225 21.2cc Straight Shaft Gas String Trimmer is cheaper at $279.99. Every spec and price links to its source.
Echo
Echo SRM-225 21.2cc Straight Shaft Gas String Trimmer
$279.99Cheaper
Which is better: the DeWalt DCST972 FLEXVOLT 60V MAX 17" Brushless String Trimmer or Echo SRM-225 21.2cc Straight Shaft Gas String Trimmer?
The DeWalt DCST972 FLEXVOLT 60V MAX 17" Brushless String Trimmer wins 1 of the 1 specs we compare head to head; the other wins 0. The Echo SRM-225 21.2cc Straight Shaft Gas String Trimmer is the cheaper at $279.99. Get the DeWalt DCST972 FLEXVOLT 60V MAX 17" Brushless String Trimmer for the stronger spec sheet, the Echo SRM-225 21.2cc Straight Shaft Gas String Trimmer to spend less.
See DeWalt DCST972 FLEXVOLT 60V MAX 17" Brushless String Trimmer on Amazon See Echo SRM-225 21.2cc Straight Shaft Gas String Trimmer on Amazon
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | DeWalt DCST972 FLEXVOLT 60V MAX 17" Brushless String Trimmer | Echo SRM-225 21.2cc Straight Shaft Gas String Trimmer |
|---|---|---|
| US price | $329 | $279.99 |
| Brand | DeWalt | Echo |
| Released | 2021 | — |
| Power source | battery | gas |
| Cutting swath (in) | 17 in | 17 in |
| Shaft type | straight | straight |
| Line diameter (in) | 0.080 in | 0.095 in |
| Feed type | bump | bump |
| Engine cc or voltage | 60 V | 21.2 cc |
| Weight (lb) | 10.3 | 11.5 |
| Release year | 2021 | — |
Sources — DeWalt DCST972 FLEXVOLT 60V MAX 17" Brushless String Trimmer: dewalt.com (verified 2026-06-19). Echo SRM-225 21.2cc Straight Shaft Gas String Trimmer: echo-usa.com (verified 2026-06-19).
What's the difference between the DeWalt DCST972 FLEXVOLT 60V MAX 17" Brushless String Trimmer and Echo SRM-225 21.2cc Straight Shaft Gas String Trimmer?
Where the two actually differ on the specs we track (4 of 7). Matching specs are omitted.
- Power source: DeWalt DCST972 FLEXVOLT 60V MAX 17" Brushless String Trimmer battery vs Echo SRM-225 21.2cc Straight Shaft Gas String Trimmer gas
- Line diameter (in): DeWalt DCST972 FLEXVOLT 60V MAX 17" Brushless String Trimmer 0.080 in vs Echo SRM-225 21.2cc Straight Shaft Gas String Trimmer 0.095 in
- Engine cc or voltage: DeWalt DCST972 FLEXVOLT 60V MAX 17" Brushless String Trimmer 60 V vs Echo SRM-225 21.2cc Straight Shaft Gas String Trimmer 21.2 cc
- Weight (lb): DeWalt DCST972 FLEXVOLT 60V MAX 17" Brushless String Trimmer 10.3 vs Echo SRM-225 21.2cc Straight Shaft Gas String Trimmer 11.5