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Comparison
2 models side by side, spec by spec.
Independent reference database. Specs are compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.
Best suited for
Each model's factual fit, from its duty class and key specs — no winner declared.
- Stihl MS 261 C-M Farm & ranch occasional firewood, limbing, fence-line clearing, and storm cleanup (51 cc · 16-in bar)
- Echo CS-501P Farm & ranch occasional firewood, limbing, fence-line clearing, and storm cleanup (50 cc · 16-in bar)
Specs verified against the manufacturer spec sheet on — stihlusa.com.
Specs verified against the manufacturer spec sheet on — support.echo-usa.com.
| Spec | Stihl MS 261 C-M | Echo CS-501P |
|---|---|---|
| Engine | ||
| Displacement | 3.1 cu in (50.8 cc) | 3.06 cu in (50.2 cc) |
| Engine Power | 4.1 hp | — |
| Fuel Capacity | 0.13 gal (0.5 L) | 0.13 gal (0.5 L) |
| Power | 3 kW | — |
| Power-to-Weight | 1.6 kg/kW | — |
| Bar & Chain | ||
| Chain Gauge | 0.050 in | 0.050 in |
| Chain Pitch | .325" | .325" |
| Guide Bar Length | 15.98 in (406 mm) | 15.98 in (406 mm) |
| Oil Capacity | 9.13 fl oz (270 mL) | 9.47 fl oz (280 mL) |
| Oiler | — | Automatic/Adjustable (Clutch-Driven) |
| Dimensions & Weight | ||
| Length | 17.64 in (448 mm) | — |
| System Weight | 12.81 lb (5.81 kg) | — |
| Weight | 10.89 lb (4.94 kg) | 10.36 lb (4.7 kg) |
| General | ||
| Anti-Vibration | — | Yes |
| Power Source | gas | gas |
| Warranty | — | 5 yr |