Professional rear handle chain saw that strikes the perfect balance between power and ergonomics.


From pruning to logging, you can depend on the CS-3700ES to get the job done.

Professional engine

Professional engine

Featuring a 35.8 cc professional grade engine, giving exceptional power to weight ratio.

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 ideal for a varied range of jobs.

Best Features.

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.

Product Details.

dry weight (kg) 4.40
Chain Oil Tank Capacity (L) 0.24
Chain Brake Inertia
engine displacement (cm3) 35.80
Fuel Consumption At Maximum Engine Power (L/h) 1.23
Guide Bar Gauge (inch) 0.050 (0.058)
output (ps) 2.04
Priming Pump Yes
Choke w/ Automatic Fast Idle Release Yes
output (kw) 1.50
Ignition System CDI
Chain Tensioner Side
fuel tank capacity (l) 0.41
Start Assist System ES-start
Saw Chain Pitch (inch) 0.325