The ECHO CS-7310SX brings true power and manoeuvrability to the professional. The powerful 73.5cc 2 stroke engine generates massive torque and provides exceptional cutting performance for heavy duty felling. Weighing just 6.8kg with ergonomic and robust construction it is ideal for the most challenging professional jobs. Genuine ECHO bars with D009 mounts and replaceable noses are available in 18", 20", 24", and 28" length
CS-7310SX
73.5cc heavy duty professional chain saw. Fitted standard with 20" (50cm) guide bar.
A$2,149.00
Where to buy

Rugged, powerful and highly manoeuvrable
The CS-7310SX has been designed from the ground up for professional forestry use. Each component and every feature from the magnesium crankcase, side cover, and starter cover to the heavy duty high flow air cleaner and G-force pre-cleaner has been specifically designed to create a tool you can depend on, day in, day out.

Centrifugal separation dust free system
The newly developed G-force engine air pre-cleaner massively reduces the need for maintenance by keeping the internal components free from dust and debris.

Features for professionals
Magnesium side cover, starter cover and crankcase
19mm captive bar nuts as standard
Centrifugal air pre-cleaner system with large, pleated air filter
Translucent fuel tank
Replaceable sprocket noses
Range of bar options up to 28"
Best Features
Powerful
Features one of ECHO’s most powerful engines.
Ergonomic
Designed to maximise efficiency and comfort.
Light weight
Engineered to weigh less whilst retaining robust durability.
Product Details
| CO² (g/kW・h) 1 | 743 |
|---|---|
| Sound power level (dB(A)) | 117.5 |
| Sound pressure level (dB(A)) | 104.6 |
| Vibration Front handle/Rear handle (m/s²) | 4.6 / 4.3 |
| Applicable Bar Length (cm/inch) 2 | 45, 50, 60, 70 / 18, 20, 24, 28 |
| Chain Brake | Inertia |
| Chain Oil Tank Capacity (mL) | 360 |
| Chain Tensioner | Side |
| Choke w/ Automatic Fast Idle Release | Yes |
| Dry Weight (kg) | 6.7 |
| Engine displacement (cm³) | 73.5 |
| Fuel Consumption At Maximum Engine Power (L/h) | 2.33 |
| Fuel tank capacity (l) | 0.80 |
| Guide Bar Gauge (inch) | 0.058 |
| Ignition System | CDI |
| Output (kW) | 4.1 |
| Output (ps) | 5.6 |
| Saw Chain Pitch (inch) | 3/8 |
| Start Assist System | Decomp |
- 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.




