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Comparison
2 models side by side, spec by spec.
Key differences: Stihl MS 251 WOOD BOSS is more powerful and better power-to-weight, and it has a larger engine; Stihl MS 151 T C-E 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 MS 151 T C-E |
|---|---|---|
| Engine | ||
| Displacement | 2.8 cu in (45.9 cc) larger engine | 1.4 cu in (22.9 cc) |
| Engine Power | 3 hp more powerful | 1.5 hp |
| Power | 2.2 kW more powerful | 1.1 kW |
| Power-to-Weight | 2.2 kg/kW better power-to-weight | 2.4 kg/kW |
| Bar & Chain | ||
| Chain Gauge | 50 " | 43 " |
| Chain Pitch | .325" | 1/4"P |
| Guide Bar Length | 17.99 in (457 mm) | 10 in (254 mm) |
| Dimensions & Weight | ||
| Length | 16.69 in (424 mm) | 9.57 in (243 mm) |
| System Weight | 12.59 lb (5.71 kg) | 6.44 lb (2.92 kg) lighter (ready to use) |
| Weight | 10.6 lb (4.81 kg) | 5.71 lb (2.59 kg) lighter |
| General | ||
| Power Source | gas | gas |