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.

Dry Weight (kg) 4.6
Chain Oil Tank Capacity (L) 0.28
Chain Brake Inertia
Engine displacement (cm³) 40.2
Fuel Consumption At Maximum Engine Power (L/h) 0.95
Guide Bar Gauge (inch) 0.058
Output (ps) 2.2
Priming Pump Yes
Choke w/ Automatic Fast Idle Release Yes
Output (kw) 1.6
Ignition System CDI
Chain Tensioner Side
Fuel tank capacity (l) 0.410
Start Assist System ES-start
Saw Chain Pitch (inch) 0.325
Applicable Bar Length (cm/inch) 38, 45 / 15, 18
Vibration Front handle/Rear handle (m/s²) 4.4 / 6.4
Sound pressure level (dB(A)) 99.2
Sound power level (dB(A)) 110.0

Other Features.

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es-start
digital_controlled_cdi
g-force_engine__air_pre-cleaner
spike
side_access_chain_tensioner
ems
fast_idle