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Stihl

MS 391

Documents

Operator Manual ↓
Archive ✓ Verified source Jul 2026
Parts Manual ↓
Archive ✓ Verified source Jul 2026

Full specifications

Bar length18 / 20 / 25 / 16 "
Device length with bumper spike18.0 in (458 mm)
Device weight without refuelling13.8 lb (6.3 kg)
Displacement3.9 cu-in
Engine power4.50 HP
Groove width50 / 63 "
Power3.30 kW
Power-to-weight ratio1.90 kg/kW
Saw chain pitch3/8"
System weight without refuelling7.59 / 7.72 / 8.39 / 7.71 / 8.38 / 8.37 / 7.35 kg

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

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