CS-420EMS

A light-weight ergonomic rear handle professional chain saw with EMS technology.

CS-420EMS
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A versatile performer, light weight yet powerful enough to take on big jobs. 

Electronic Management System.

Electronic Management System.

EMS automatically monitors engine speed and fluctuation. When working conditions change, the micro processor in the ignition coil sends an electric signal to the carburetor to optimise the engine speed. In order to ensure optimum cutting performance, EMS automatically controls fuel supply by repeating full throttle and idle operation when needed.

Ergonomic.

Ergonomic.

Small, lightweight design alongside a powerful engine for a superb power to weight ratio.

Comfortable.

Comfortable.

Tool-less air filter cover allowing easy air filter access, even when wearing gloves; a side access chain tensioner enabling easy chain adjustment; an anti-icing system preventing the carburettor from freezing in colder months.

Best Features.

Power to weight ratio

Super light-weight design with exceptional power.

Ergonomics

Designed to maximise efficiency and comfort.

Easy start engine

ECHO’s patented system for effortless starting.

Product Details.

Engine displacement (cm³) 40.2
Output (kw) 1.6
Output (ps) 2.2
Dry Weight (kg) 4.6
Fuel tank capacity (l) 0.410
Chain Oil Tank Capacity (ml) 0.280
Fuel Consumption At Maximum Engine Power (L/h) 1.35
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) 5.25
Guide Bar Gauge (inch) 0.58
Applicable Bar Length (cm/inch) 1 38, 45 / 15, 18
Sound pressure level (dB(A)) 99.2
Sound power level (dB(A)) 110.0
Vibration Front handle/Rear handle (m/s²) 4.4 / 6.4
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Not all lengths available in every country. Check with your local dealer.

Other Features.

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