Incredible power to weight ratio with the robust build standards ECHO is famous for. The CS-420ES combines light weight construction (4.6kg) with a powerful 40.2cm³ professional grade engine.
Professional engine
Featuring a 40.2cm³ professional grade engine, giving exceptional power and performance. Like all ECHO engines, it's manufactured in Japan to the highest possible standards,
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 chain saw that is ideal for tree surgeons or farmers for felling trees and logging.
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.
| CO² (g/kW・h) 1 | 958 |
|---|---|
| Sound power level (dB(A)) | 108.9 |
| Sound pressure level (dB(A)) | 99.6 |
| Vibration Front handle/Rear handle (m/s²) | 4.4 / 6.4 |
| Applicable Bar Length (cm/inch) 2 | 38, 45 / 15, 18 |
| Chain Brake | Inertia |
| Chain Oil Tank Capacity | 0.280 |
| Chain Tensioner | Side |
| Choke w/ Automatic Fast Idle Release | Yes |
| Dry Weight (kg) | 4.6 |
| Engine displacement (cm³) | 40.2 |
| Fuel Consumption At Maximum Engine Power (L/h) | 0.95 |
| Fuel tank capacity (l) | 0.41 |
| Guide Bar Gauge (inch) | 0.058 (0.050) |
| Ignition System | CDI |
| Output (kw) | 1.6 |
| Output (ps) | 2.2 |
| Priming Pump | Yes |
| Saw Chain Pitch (inch) | 0.325 |
| Start Assist System | ES-start |
- 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.
- 2
- Not all lengths available in every country. Available bar lengths may incur differing RRPs. Please check with your local dealer.
Other Features.
![[object Object]](/certificates/es-start.png "ES-start")
![[object Object]](/certificates/fast_idle.png "Fast Idle")
![[object Object]](/certificates/g-force_engine__air_pre-cleaner.png "G-FORCE Engine Air Pre-Cleaner")
![[object Object]](/certificates/model_certified_for_ce.png "Model certified or CE")
![[object Object]](/certificates/side_access_chain_tensioner.png "Side access chain tensioner")
![[object Object]](/certificates/spike.png "Spike")
