STIHL MS391 — 18" bar
What is the bar length for STIHL MS391 — 18" bar?
For STIHL MS391, bar length is 18"; pitch is 3/8"; gauge is 1.6mm; drive links is 66, verified against its source on 2026-09-02.
MS391 MS440,MS441,MS460, MS640, MS650,MS660 | 16" 18" 20" 25" 30" 36" | 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" | 1.6mm 1.6mm 1.6mm 1.6mm 1.6mm 1.6mm | 60 66
— lsengineers.co.uk, retrieved 2026-09-02
- Model
- MS391 verified
- Bar length
- 18" verified
- Pitch
- 3/8" verified
- Gauge
- 1.6mm verified
- Drive links
- 66 verified
- STIHL chain part number
- 3652 000 0066 per stihl.co.uk
Where each value comes from
This source states these in separate places, so each value is shown with the passage that states it.
Bar length
18" Bar
Drive links
3621/66
— all from lsengineers.co.uk, retrieved 2026-09-02
What stihl.co.uk says
MS 391 £29.67 £35.60 3652 000 0066 45 / 18 3/8 1.6 RM
— stihl.co.uk, retrieved 2026-09-07
Sources
- lsengineers.co.ukhttps://www.lsengineers.co.uk/advice-centre/stihl-chain-selector
- stihl.co.ukhttps://www.stihl.co.uk/content/dam/bpor/vu/gb/pdf-files/marketing/STIHL_MS_MSA_Cutting_Attachments_2025.pdf