Husqvarna 564XP Fuel Injected vs Stihl Ms 251
Engine
| Engine Displacement | 62.4cc | 45.9cc |
| Power Output | 4.03kW | 2.2kW |
| Power Output (HP) | 5.4hp | 3hp |
| Idle Speed | 2800rpm | — |
| Maximum Speed | 10200rpm | — |
Cutting
| Recommended Bar Length | 38.1cm | 45.7cm |
| Maximum Bar Length | 71.1cm | — |
| Chain Pitch | 3/8" | 0.325" |
| Chain Speed | 21.3m/s | — |
Weight
| Weight (without bar and chain) | 5.8kg | 4.8kg |
Tank
| Oil Tank Capacity | 0.32l | — |
Safety
| Sound Pressure Level | 106dB(A) | — |
| Sound Power Level | 119dB(A) | — |
| Vibration Front Handle | 3.3m/s² | — |
| Vibration Rear Handle | 3.0m/s² | — |
Classification
| Intended Use | Professional | Heavy-duty gas chainsaw for harvesting firewood in the woods For homeowners and light duty work |
| Fuel Type | 2-stroke gasoline at 50:1 | — |