Stihl MS 391 vs Echo CS-4510 Chainsaw Comparisons
Specs that are different are highlighted in red. Specs that are better are written in bold. Notice that a chainsaw with a significantly larger number of bolded specifications is not necessarily a better chainsaw.
Chainsaw Details
Subjects of comparisons - brand and model.
| Manufacturer | Stihl | Echo |
| Model | MS 391 | CS-4510 |
| Photo |  |
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| Class | Farmowner | Profesional |
| Warranty homeowner | 365 days 1 year |
1825 days 5 year |
| Warranty commercial | 90 days 0.25 year |
365 days 1 year |
| Your rating |
Engine Specs Comparison
Power, displacement and type of fuel of the chainsaws.
| Fuel type | Gas | Gas |
| Fuel oil ratio | 50:1 | 50:1 |
| Weight | ~6.2 kg ~13.67 lbs |
~5 kg ~11.02 lbs |
| Engine | Stihl 2-Mix | Echo 2-stroke |
| Power | 4.5 hp 3.36 kW |
3 hp 2.24 kW |
| Displacement | 64.1 cm³ 3.91 in³ |
45 cm³ 2.75 in³ |
| Torque | Nm | Nm |
| Idle speed | 2800 RPM | 3100 RPM |
| Max speed | 13000 RPM | 13000 RPM |
| Spark plug | Bosch WSR6F, NGK BPMR7A | NGK BPMR8Y |
| Spark plug gap | 0.5 mm 0.02 in |
0.65 mm 0.025 in |
Chain and Bar Comparison
Detailed chain and bar specifications side by side.
| Bar length | 45.72 cm 18 in |
40.64 cm 16 in |
| Min bar length | 40.64 cm 16 in |
35.56 cm 14 in |
| Max bar length | 50.8 cm 20 in |
45.72 cm 18 in |
| Chain | Rapid Micro (RM) | Full Chisel |
| Pitch | 3/8" | 0.325 |
| Gauge | 1.6 mm 0.06 in |
1.5 mm 0.06 in |
| Sprocket | Spur 7 Tooth | Spur 7 Tooth |
Other specs
Fuel consumption, noise and liquid capacities.
| Fuel consumption | 1.779 l/hr 0.47 gal/hr |
1.19 l/hr 0.31 gal/hr |
| Fuel capacity | 0.6 l 20.29 fl oz |
0.48 l 16.23 fl oz |
| Oil tank capacity | 0.35 l 11.83 fl oz |
0.33 l 11.16 fl oz |
| Noise (ear level) | 105 dB(A) | 100.2 dB(A) |
| Vibration front | 4 m/s² 13.12 ft/s² |
2.6 m/s² 8.53 ft/s² |
| Vibration rear | 4 m/s² 13.12 ft/s² |
2.8 m/s² 9.19 ft/s² |
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