# MS660 — Stihl chainsaw chain and bar specifications by model

For MS660, bar length is 20"; pitch is 3/8"; gauge is 0.063"; drive links is 72; stihl chain part number is 3626-005-0072, recorded from its source on 2026-08-05.

- **Model:** MS660
- **Bar length:** 20"
- **Pitch:** 3/8"
- **Gauge:** 0.063" _(unconfirmed — we could not tie this to the quote below)_
- **Drive links:** 72
- **STIHL chain part number:** 3626-005-0072 _(unconfirmed — we could not tie this to the quote below)_

## What the source says

> MS660 | MS661 | HT102 | HT56 | HT101 | HT103 | HT133 | 41822000152 | Saw Chains | Bars | Stihl Model | Pitch | Guide Width | Links | Length | Stihl Part # | Stihl Stock # | Oregon Part # | Oregon Part # | Oregon Part # | Stihl Stock # | Oregon Part # | MS150T | 0.250" | .043" | 64 | 12" | 71PM3 64 | <https://www.alldadelawnmowers.com/search.asp?keyword=3670-005-0064> 3670-005-0064 | | | | | | 0.250" | .043" | 72 | 14" | 71PM3 72 | <https://www.alldadelawnmowers.com/search.asp?keyword=3670-005-0072> 3670-005-0072 | | | | | | MS170 | 3/8" low Pro |

## Source

- https://www.lawnequipmentsuperstore.com/stihl-chainsaw-bar-chain-quick-guide

Last verified: 2026-08-05. Review by: 2028-08-04.
Part of [Stihl chainsaw chain and bar specifications by model](https://referencesource.org/stihl-chainsaw-chain-and-bar-specs/).