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Catalog
Stihl

MS 271 FARM BOSS 20"

3 hp
Engine power
13.2 lb (6 kg)
Operating weight
20 in (50.8 cm)
bar length
50.2 cm3
displacement
0.5 l
fuel tank capacity
2,800 rpm
idling speed

Documents

Operator Manual ↓
Archive ✓ Verified source Jul 2026

Full specifications

Bar length20 "
Device length with bumper spike17.7 in (450 mm)
Device weight without refuelling12.4 lb (5.6 kg)
Displacement3.1 cu-in
Engine power3.50 HP
Groove width50 "
Power2.60 kW
Power-to-weight ratio2.20 kg/kW
Saw chain pitch.325"
System weight without refuelling14.8 lb (6.7 kg)

Every figure is traced to the manufacturer’s published data. ↗ opens the source.

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