✅ Free Metro Delivery Included ✅ Fast Dispatch ✅ Authorised Dealer Support ✅ Delivery options are confirmed at checkout based on order and location. ECHO CS-7310SX 73.5cm³ heavy duty professional chain saw. 20INCH BAR The ECHO CS-7310SX brings true power and maneuverability to the professional. The powerful 73.5cm³ 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. Magnesium plates mean the body is extremely tough and resilient. Rugged, powerful and highly maneuverable. The CS-7310SX has been designed from the ground up for professional forestry use. Each component and every feature 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. Rotating plastic chain catcher. Side access chain tensioner for easy chain adjustment. Flip lever caps for easy refilling. Drop prevention nuts as standard. G-FORCE air cleaner system and large air filter. Translucent fuel tank shows fuel level. 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 Engine displacement (cm³) 73.5 Output (kW) 4.1 Output (ps) 5.6 Dry Weight (kg) 6.7 Fuel tank capacity (l) 0.80 Chain Oil Tank Capacity (mL) 360 Fuel Consumption At Maximum Engine Power (L/h) 2.33 Ignition System CDI Start Assist System Decomp Chain Brake Inertia Choke w/ Automatic Fast Idle Release Yes Chain Tensioner Side Saw Chain Pitch (inch) 3/8 Guide Bar Gauge (inch) 0.058 Applicable Bar Length (cm/inch) 1 45, 50, 60, 70 / 18, 20, 24, 28 Vibration Front handle/Rear handle (m/s²) 4.6 / 4.3 Sound power level (dB(A)) 117.5 Sound pressure level (dB(A)) 104.6 CO² (g/kW・h) 2 743 1 Not all lengths available in every country. Available bar lengths may incur differing RRPs. Please check with your local dealer. 2 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.