The CS-490ES is a professional petrol chain saw, ideal for felling. It features a 50.2cm³ engine and weighs 4.8kg.

Where to buy

With the perfect balance between weight and power, it excells at a range of tasks. 

Professional engine.

Professional engine.

Featuring a 50.2cm³ professional grade engine, for powerful performance and cutting. Like all ECHO engines, it's manufactured in Japan to the highest standards possible.

Compact, ergonomic design.

Compact, ergonomic design.

ECHO chain saws are all designed to the same professional standard, with no exceptions. Hard working, high quality with renowned Japanese build standards.

Ergonomic and versatile.

Ergonomic and versatile.

Superbly balanced and light weight making it an ideal saw for a range of different jobs.

Best Features.

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.

Product Details.

Engine displacement (cm³) 50.2
Output (kw) 2.14
Output (ps) 2.91
Dry Weight (kg) 4.8
Fuel tank capacity (l) 0.49
Chain Oil Tank Capacity (ml) 280
Fuel Consumption At Maximum Engine Power (L/h) 1.21
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) 0.058
Applicable Bar Length (cm/inch) 1 38, 45 / 15, 18
Sound pressure level (dB(A)) 101.8
Sound power level (dB(A)) 111.5
CO² (g/kW・h) 2 797
Vibration Front handle/Rear handle (m/s²) 5.4 / 6.5
Not all lengths available in every country. Available bar lengths may incur differing RRPs. Please check with your local dealer.
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.