Stihl MS 251 WOOD BOSS®
Gas Chainsaws Farm & ranch · Model 1027228
The Stihl MS 251 WOOD BOSS is a farm and ranch gas chainsaw, suited to occasional heavier cutting — fence-line work, firewood, and storm cleanup, with a 45.9 cc engine making 3 hp and a 18-inch bar. It weighs 10.6 lb (4.8 kg).
For pros: Farm & ranch chainsaws · Best chainsaws for firewood
At a glance
Displacement
2.8 cu in (45.9 cc)
Engine Power
3 hp
Weight
10.6 lb (4.81 kg)
Fuel Capacity
0.1 gal (0.39 L)
Guide Bar Length
17.99 in (457 mm)
Independent reference database. Specs are compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.
Specs verified against the manufacturer spec sheet on — stihlusa.com.
Engine
| Specification | Value |
|---|---|
| Displacement | 2.8 cu in (45.9 cc) |
| Engine Power | 3 hp |
| Power | 2.2 kW |
| Fuel Capacity | 0.1 gal (0.39 L) |
| Power-to-Weight | 2.2 kg/kW |
Bar & Chain
| Specification | Value |
|---|---|
| Guide Bar Length | 17.99 in (457 mm) |
| Oil Capacity | 6.76 fl oz (200 mL) |
| Chain Pitch | .325" |
| Chain Gauge | 0.050 in |
Dimensions & Weight
| Specification | Value |
|---|---|
| Weight | 10.6 lb (4.81 kg) |
| System Weight | 12.59 lb (5.71 kg) |
| Length | 16.69 in (424 mm) |
General
| Specification | Value |
|---|---|
| Power Source | gas |
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Source: Stihl (manufacturer) · View archived copy. Specs normalized for comparison; verify with the manufacturer before purchase.