Incredible power to weight ratio with the robust build standards ECHO is famous for.
Light-weight professional petrol chain saw, ideal for all-round use.
Featuring a 40.2 cc professional grade engine, giving exceptional power and performance.
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.
Bar and chain
With a 43cm (17″) guide bar, the CS-420ES is a mid-range, low emission chainsaw that could be used by tree surgeons or farmers for felling trees and logging.
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.
|Dry Weight (kg)||4.6|
|Chain Oil Tank Capacity||0.28|
|Engine displacement (cm³)||40.2|
|Fuel Consumption At Maximum Engine Power (L/h)||0.95|
|Guide Bar Gauge (inch)||0.058|
|Choke w/ Automatic Fast Idle Release||Yes|
|Fuel tank capacity||0.41|
|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|
|CO2 (g/kW・h) 1||958|
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.