The STIHL MS 661 C-M is an extremely powerful professional chainsaw for the toughest felling and harvesting in demanding forestry. Its 91.1 cc engine delivers a formidable 5.4 kW with rapid acceleration and high torque.
Available with a 71 cm (28") or 90 cm (36") guide bar and 3/8" chain, it features STIHL M-Tronic engine management for reliable starting and consistent power in all conditions.
Features
- 91.1 cc petrol engine (5.4 kW) for the toughest professional forestry.
- STIHL M-Tronic engine management for easy starting and optimised power.
- Choice of 71 cm (28") or 90 cm (36") guide bar.
- High torque and rapid acceleration for large timber.
- HD2 filter for long service intervals in tough conditions.
- 7.5 kg (excluding fuel).
Specifications
| Engine displacement | 91.1 cm³ |
|---|---|
| Power output | 5.40 kW |
| Guide bar lengths | 71 / 90 cm (28 / 36") |
| Saw chain pitch | 3/8" |
| Weight (excl. fuel) | 7.5 kg |
|---|---|
| Engine management | STIHL M-Tronic |
| Sound pressure level | 105 dB(A) |
| Sound power level | 115 dB(A) |
