Stihl MS 271 FARM BOSS® 20"
Gas Chainsaws Farm & ranch · Model 1027150
The Stihl MS 271 FARM BOSS 20" is a farm and ranch gas chainsaw, suited to occasional heavier cutting — fence-line work, firewood, and storm cleanup, with a 50.2 cc engine making 3.5 hp and a 20-inch bar. It weighs 12.3 lb (5.6 kg).
For pros: Professional rear-handle chainsaws · Farm & ranch chainsaws · Best chainsaws for firewood
At a glance
Displacement
3.06 cu in (50.2 cc)
Engine Power
3.5 hp
Weight
12.35 lb (5.6 kg)
Fuel Capacity
0.13 gal (0.5 L)
Guide Bar Length
20 in (508 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 | 3.06 cu in (50.2 cc) |
| Engine Power | 3.5 hp |
| Power | 2.6 kW |
| Fuel Capacity | 0.13 gal (0.5 L) |
| Power-to-Weight | 2.2 kg/kW |
Bar & Chain
| Specification | Value |
|---|---|
| Guide Bar Length | 20 in (508 mm) |
| Oil Capacity | 8.12 fl oz (240 mL) |
| Chain Pitch | .325" |
| Chain Gauge | 0.063 in |
Dimensions & Weight
| Specification | Value |
|---|---|
| Weight | 12.35 lb (5.6 kg) |
| System Weight | 14.84 lb (6.73 kg) |
| Length | 17.72 in (450 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.