The most powerful and lightest chain saw in its class.


The ECHO CS-4310SX is a professional grade, mid sized chain saw suitable for a wide range of applications, including felling. With an extremely light weight and durable frame and a powerful 42.9 cm³ 2-stroke engine it provides the best power to weight ratio in its class. This means you get extreme maneuverability and comfort without compromising on power. The industry leading, centrifugal separation dust free system is a scaled down version of the filtration system found in the CS-7310SX. This system uses centrifugal forces and an automotive style filter to ensure your engine and internal components stay free from dust and debris, massively reducing the need for maintenance.

Lightest and most powerful in its class.

Lightest and most powerful in its class.

Weighing just 4.3 kg with a 42.9 cm³ engine that provides 2.3 kW power the CS-4310SX has the best power to weight ratio in its class.

Features for the professional.

Features for the professional.

The CS-4310SX is packed with features to increase your productivity:

Heavy-duty aluminum handle with rubber grip for secure grip and 3-point anti vibration spring.

Features for easy maintenance:

Momentary switch for quick and easy engine restart.

Rotating plastic chain catcher.

Side access chain tensioner for easy chain adjustment.

Flip lever caps for easy refilling.

Drop prevention nuts as standard.

Translucent fuel tank shows fuel level.

Centrifugal separation system.

Centrifugal separation system.

Centrifugal separation dust free system massively reduces the need for maintenance by removing dust and debris in stages before air even reached the automotive style air filter.

Čím je výrobek jedinečný?

Power to weight

Super light-weight design with exceptional power.


Designed to maximise efficiency and comfort.

Light weight

Engineered to weigh less whilst retaining robust durability.

Detaily produktu

Karburátor membránový
Obsah motoru (cm³) 42.9
Výkon (kW) 2.3
Hmotnost bez náplní 4.3
Objem palivové nádrže (l) 0.40
Objem olejové nádrže (ml) 270
Spotřeba paliva při maximálním výkonu motoru (l/h) 1.24
Rozteč řetězu (palce) 0.325
Šířka vodící lišty (palce) 0.050
Délka lišty (cm/inch) 1 33, 35, 40, 45
Hladina akustického tlaku (dB (A)) 103.1
Hladina akustického výkonu (dB (A)) 113.0
CO² (g/kW・h) 2 846
Vibrace přední/zadní rukojeť (m/s²) 3.3 / 3.1
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.

Výhody a přednosti

Digital controlled CDI
Fast Idle
G-FORCE Engine Air Pre-Cleaner
Model certified or CE
Side access chain tensioner