CS-4920

Light weight and powerful 50 cm³ all-round chain saw.

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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.

Powerful, super efficient engine.

The 50.1 cm³ professional grade 2-stroke, scavenger type engine that provides enormous power, whilst the dry weight is just 5.0 kg. We've used our decades of engine making experience to create an engine that's powerful and produces incredibly low emissions.

Professional-grade features.

A heavy-duty air filter with our patented G-Force technology massively reduces the need for maintenance. The ergonomic, front handle ensures comfortable and precise control and dual drop prevention nuts mean smooth and precise cutting.

No hassle, just hard work.

Easy start technology alongside an always on, momentary switch means you can get to work without thinking about your saw. The tool-less air filter cover and tank openings make this saw a pleasure to use.

Best Features.

Ultra light weight

Engineered to weigh less whilst retaining robust durability.

Easy start

ECHO’s patented system for effortless starting.

Ease of use

Power on and get to work. Intuitive controls and features make your job a breeze.

Product Details.

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	33, 38, 45, 50 / 13, 15, 18, 20
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

1: This CO² measurement results from testing a (parent) engine representative of the engine type (engine family) over a fixed test cycle under laboratory conditions and does not imply or express any guarantee of the performance of a particular engine.
2: Not all lengths available in every country. Available bar lengths may incur differing RRPs. Please check with your local dealer.