Home / Compare
Comparison
2 models side by side, spec by spec.
Independent reference database. Specs are compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.
Best suited for
Each model's factual fit, from its duty class and key specs — no winner declared.
- Stihl MS 661 C-M MAGNUM Forestry / production felling and bucking larger trunks in sustained professional use (92 cc · 36-in bar)
- HUSQVARNA 3120 XP Forestry / production felling and bucking larger trunks in sustained professional use (119 cc · 24-in bar)
Specs verified against the manufacturer spec sheet on — stihlusa.com.
Specs verified against the manufacturer spec sheet on — husqvarna.com.
| Spec | Stihl MS 661 C-M MAGNUM | HUSQVARNA 3120 XP |
|---|---|---|
| Engine | ||
| Displacement | 5.6 cu in (91.8 cc) | 7.25 cu in (118.8 cc) |
| Engine Power | 7.3 hp | 8.31 hp |
| Fuel Capacity | 0.22 gal (0.85 L) | 0.33 gal (1.25 L) |
| Power | 5.4 kW | — |
| Power-to-Weight | 1.4 kg/kW | — |
| Bar & Chain | ||
| Chain Gauge | 0.050 in | 0.063 in |
| Chain Pitch | 3/8" | .404" |
| Guide Bar Length | 35.98 in (914 mm) | 24.02 in (610 mm) |
| Oil Capacity | 13.5 fl oz (399.24 mL) | 23.68 fl oz (700.3 mL) |
| Oiler | — | Automatic |
| Dimensions & Weight | ||
| Length | 18.98 in (482 mm) | — |
| System Weight | 23.19 lb (10.52 kg) | — |
| Weight | 16.8 lb (7.62 kg) | 22.91 lb (10.39 kg) |
| General | ||
| Power Source | gas | gas |
| Sound Power Level | — | 116 dB(A) |
| Sound Pressure | — | 102 dB(A) |
| Vibration Level | — | 6.7 m/s² |