# HTA85 — Stihl chainsaw chain and bar specifications by model

For HTA85, bar length is 12"; pitch is 1/4"P; gauge is 1.1mm; drive links is 64; stihl chain part number is 3670/64, verified against its source on 2026-08-04.

- **Model:** HTA85
- **Bar length:** 12"
- **Pitch:** 1/4"P
- **Gauge:** 1.1mm
- **Drive links:** 64
- **STIHL chain part number:** 3670/64

## What the source says

> MS150, MS150T, MSA160T, HT101, HTA85 MSA 160 C-BQ | 10" 12" | 1/4"P 1/4"P | 1.1mm 1.1mm | 56 64 | <https://www.lsengineers.co.uk/chain-loop-1-4-picco-1-1-56-links-3670-000-0056.html> 3670/56 <https://www.lsengineers.co.uk/chain-loop-1-4-picco-1-1-56-links-3670-000-0064.html> 3670/64

## Source

- https://www.lsengineers.co.uk/advice-centre/stihl-chain-selector

Last verified: 2026-08-04. Review by: 2028-08-03.
Part of [Stihl chainsaw chain and bar specifications by model](https://referencesource.org/small-engine-parts/).