DeWalt DCS577B (FLEXVOLT 60V) vs Milwaukee M18 FUEL Rear Handle 2830-20
DeWalt DCS577B (FLEXVOLT 60V) wins — The DeWalt DCS577 delivers more sustained power at 60V; the Milwaukee 2830-20 is the better choice for M18 platform user…
Scores: DeWalt DCS577B (FLEXVOLT 60V) 7.8/10 · Milwaukee M18 FUEL Rear Handle 2830-20 6.6/10
The DeWalt DCS577 delivers more sustained power at 60V; the Milwaukee 2830-20 is the better choice for M18 platform users and anyone who prefers rear-handle ergonomics.
Spec-by-spec comparison
| DeWalt DCS577B (FLEXVOLT 60V) | Milwaukee M18 FUEL Rear Handle 2830-20 |
|---|
| Blade Size | 7-1/4 in | 7-1/4 in |
|---|
| No-Load RPM | 5,800 | 5,800 |
|---|
| Cutting Depth (90°) | 2-9/16 in | 2-1/2 in |
|---|
| Battery Voltage | 60V FLEXVOLT | 18V M18 |
|---|
| Handle Style | Rear-handle | Rear-handle |
|---|
| Warranty | 3-year | 5-year |
|---|
DeWalt DCS577B (FLEXVOLT 60V)
What works
- 60V FLEXVOLT sustained power advantage in heavy load cuts and ripping
- FLEXVOLT packs cross-compatible with entire 20V MAX tool ecosystem
- Blade-left, rear-handle geometry comfortable for framing carpenters
What doesn't
- Requires separate FLEXVOLT battery — can't use standard 20V MAX compact packs
- 3-year warranty vs Milwaukee's 5-year
- 60V FLEXVOLT packs are heavier than M18 equivalent Ah packs
Milwaukee M18 FUEL Rear Handle 2830-20
What works
- Rear-handle worm-drive ergonomics preferred by framers trained on Skilsaw
- M18 platform — runs same packs as Milwaukee drills, saws, and impact drivers
- 5-year tool warranty vs DeWalt's 3-year
What doesn't
- 18V platform throttles under sustained heavy-load ripping more than 60V
- High-capacity M18 packs (required for runtime parity) are heavy and shift balance
- No cross-voltage architecture — M18 tops out at 18V
Bottom line
Our pick: DeWalt DCS577B (FLEXVOLT 60V).
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