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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 251 WOOD BOSS Farm & ranch occasional firewood, limbing, fence-line clearing, and storm cleanup (46 cc · 18-in bar)
- Stihl MSA 220 C-B Battery fleet quiet, low-maintenance crew work: pruning, limbing, and small-tree cutting (16-in bar)
Specs verified against the manufacturer spec sheet on — stihlusa.com.
Specs verified against the manufacturer spec sheet on — stihlusa.com.
| Spec | Stihl MS 251 WOOD BOSS | Stihl MSA 220 C-B |
|---|---|---|
| Engine | ||
| Displacement | 2.8 cu in (45.9 cc) | — |
| Engine Power | 3 hp | — |
| Fuel Capacity | 0.1 gal (0.39 L) | — |
| Power | 2.2 kW | 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 | 0.050 in | 0.043 in |
| Chain Pitch | .325" | 3/8" |
| Guide Bar Length | 17.99 in (457 mm) | 15.98 in (406 mm) |
| Oil Capacity | 6.76 fl oz (200 mL) | 7.07 fl oz (209 mL) |
| 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) |
| Weight | 10.6 lb (4.81 kg) | 6.39 lb (2.9 kg) |
| General | ||
| Power Source | gas | battery |