Husqvarna 555 vs Stihl Ms 291
Engine
| Engine Displacement | 59.8cc | 55.5cc |
| Power Output | 3.1kW | 2.8kW |
| Power Output (HP) | 4.16hp | 3.8hp |
| Idle Speed | 2800rpm | — |
| Maximum Speed | 9600rpm | — |
Cutting
| Recommended Bar Length | — | 45.7cm |
| Maximum Bar Length | 60.96cm | — |
| Chain Pitch | 3/8" | 0.325"" |
| Chain Speed | 21.3m/s | — |
Weight
| Weight (without bar and chain) | 5.9kg | 5.6kg |
Tank
| Oil Tank Capacity | 0.33l | — |
Safety
| Sound Pressure Level | 106dB(A) | — |
| Sound Power Level | 115dB(A) | — |
| Vibration Front Handle | 3.2m/s² | — |
| Vibration Rear Handle | 5m/s² | — |
Classification
| Intended Use | Professional | For work in agriculture, construction, and horticulture |
| Fuel Type | 2-stroke gasoline | Gasoline with no more than 10% Ethanol content |