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Comparison
2 models side by side, spec by spec.
Key differences: Stihl MS 251 WOOD BOSS is more powerful; Stihl MSA 220 C-B is lighter.
Independent reference database. Specs are compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.
Highlights mark the leading value in each comparable spec:
larger / higher,
lighter / lower.
For weight and power-to-weight, lower is better.
| Spec | Stihl MS 251 WOOD BOSS | Stihl MSA 220 C-B |
|---|---|---|
| Engine | ||
| Displacement | 2.8 cu in (45.9 cc) | — |
| Engine Power | 3 hp | — |
| Power | 2.2 kW more powerful | 1.7 kW |
| Power-to-Weight | 2.2 kg/kW | — |
| Battery & Electric | ||
| Battery System | — | AP |
| Max Voltage | — | 40 V |
| Power Consumption | — | 2.1 kW |
| Recommended Battery | — | AP 300 S |
| Voltage | — | 36 V |
| Bar & Chain | ||
| Chain Gauge | 50 " | 43 " |
| Chain Pitch | .325" | 3/8"P |
| Guide Bar Length | 17.99 in (457 mm) | 15.98 in (406 mm) |
| Dimensions & Weight | ||
| Length | 16.69 in (424 mm) | 17.2 in (437 mm) |
| System Weight | 12.59 lb (5.71 kg) | 8.29 lb (3.76 kg) lighter (ready to use) |
| Weight | 10.6 lb (4.81 kg) | 6.9 lb (3.13 kg) lighter |
| General | ||
| Power Source | gas | battery |