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The CS-420ES petrol chainsaw has a premium grade 40.2cc engine and Echo’s new engine design offers increased performance, lower emissions whilst still maintaining Echo’s reliable build quality. The CS-420ES is mid-range chainsaw and ideal for arborist work and logging.

Built with an Easy Start system for effortless starting and has an anti-icing system which stops the carburettor from freezing in the colder months. There are plenty of features to reduce down time; the tool less air filter cover allows you to access the filter without removing your gloves and the chain is easily adjusted with the side access chain tensioner.

The CS-420ES features:

  • 40.2cc Premium Grade Echo® Engine, the new design offers durability, increased performance and productivity
  • Digital C.D.I. gives smooth, quick acceleration and stable when idle
  • Replaceable Metal Bumper Spike offers improved control
  • Tool-Less Air Filter Cover
  • Side Access Chain Tensioner
  • Dual-post chain brake handle
  • G-Force Engine Air Pre-Cleaner, this reduces the engines exposure to dirt and debris
  • Anti-Icing System: Stops the carburettor from freezing in colder months


  • Engine:  Echo Premium 40.2cc, 1.60kW, 2-stroke petrol
  • Ignition: CDI
  • Start assist system: Easy Start
  • Fuel tank volume: 0.41 litres
  • Fuel consumption: 0.95 l/h (max. power)
  • Chain oil tank capacity: 0.28 litres
  • Side Chain tensioner
  • Priming pump
  • Choke with automatic fast idle release
  • Bar length: 38cm (15")
  • Guide bar gauge: 0.058"
  • Saw chain pitch: 0.325"
  • Weight (NET): 4.6kg
  • Warranty: 5 Year Domestic, 2 Year Commercial (subject to registration and annual servicing)

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Tags: two stroke, 2 stroke, saw, log, pruner

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We have both extensive and modern workshops and showrooms at our premises. Personal visitors are very welcome.

Opening Times:
Monday to Friday 8.30am - 5pm
Saturday 8.30am - 12pm

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Cheltenham Mowers Ltd.

Unit B3 Nexus

Hurricane Road

Gloucester Business Park




Tel: 01452 61 61 69

Fax: 01452 61 61 80