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  • Regular price £589.00
VAT included.


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.



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


Power to weight ratio

Super light-weight design with exceptional power.


Designed to maximise efficiency and comfort.

Easy start engine

ECHO’s patented system for effortless starting.