Lightweight and powerful, rear handle petrol chain saw. Offering a superior power to weight ratio.


The CS-421 is packed full of professional features engineered to increase your productivity. ES-Start provides effortless starting in all conditions, a side access chain tensioner and an automotive style air filter that keeps your machine free from dust and debris. Weighing in at just 4.6kg with a powerful 40.2cm³ ECHO engine, it is ideal for small to medium sized professional jobs.

Professional engine

Professional engine

Featuring a powerful 40.2cm³ professional grade engine, giving exceptional power and performance.

Compact, ergonomic design

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.



Superbly balanced and lightweight making it an ideal saw for a range of different ground jobs.

En iyi özellikler.


Engineered to weigh less whilst retaining robust durability.


Designed to maximise efficiency and comfort.

Easy start engine

ECHO’s patented system for effortless starting.

Ürün Detayları.

Motor hacmi (cm³) 40.2
Çıkış (kW) 1.82
Çıkış (ps) 2.47
Kuru Ağırlık 4.6
Yakıt deposu kapasitesi (l) 0.41
Maksimum Motor Gücünde Yakıt Tüketimi (L / h) 1.03
Besleme Pompası Evet
Ateşleme sistemi CDI
Kolay Başlatma Sistemi ES-start
Zincir Freni Otomatik
Bobin / Otomatik Hızlı Boşta Bırakma Evet
Zincir Gergi Yan
Testere Zinciri Aralığı (inç) 0.325
Pala Ölçüsü (inch) 0.050
Pala Uzunluğu (cm/inch) 1 38, 43, 45 / 15, 17, 18
Ses basıncı seviyesi (dB (A)) 99.9
Not all lengths available in every country. Available bar lengths may incur differing RRPs. Please check with your local dealer.