Echo CS-4920 Chainsaw


The CS-4920 is a heavier duty version of the CS-4510 It features a 50.1 cm³ professional grade 2-stroke, stratified scavenging engine that provides more power and less emissions than any other saw in the same class. At just 5.0 kg with professional features like dual drop prevention bar nuts, a heavy-duty air filter with tool-less access and a momentary switch, it's ideal for a range of jobs.


CO² (g/kW・h) 1 808
Sound power level (dB(A)) 111.8
Sound pressure level (dB(A)) 102.5
Vibration Front handle/Rear handle (m/s²) 3.5 / 3.4
Applicable Bar Length (cm/inch) 2 45 / 18
Chain Brake Inertia
Chain Oil Tank Capacity 0.330
Chain Tensioner Side
Choke w/ Automatic Fast Idle Release Yes
Dry Weight (kg) 5.0
Engine displacement (cm³) 50.1
Fuel Consumption At Maximum Engine Power (L/h) 1.32
Fuel tank capacity (l) 0.48
Guide Bar Gauge (inch) 0.050
Ignition System CDI
Output (kw) 2.5
Output (ps) 3.4
Priming Pump Yes
Saw Chain Pitch (inch) 0.325
Start Assist System ES-Start