ECHO’s CS-310ES is a lightweight, extremely well-balanced rear handle chainsaw. It has a premium grade 30.5cc Power Boost Vortex™ engine for both power and durability. The top-mounted air filter is positioned away from dirt and debris for better filtration. Easy Start spring-assisted starting requires minimum effort – a warm engine only requires a short pull on the recoil rope. The saw has a dual-post chain brake for increased durability, while the automatic oiler delivers optimum lubrication. The CS-310ES is an ideal tool for pruning and logging. It has guide bar options of 35 or 30cm. Specification Engine displacement (cm³) 30.5 Output (kw) 1.1 Output (ps) 1.5 Dry Weight (kg) (undefined) 4.0 Fuel Tank Capacity (ml) 250 Chain Oil Tank Capacity (ml) 260 Fuel Consumption At Maximum Engine Power (L/h) 0.68 Priming Pump Yes Ignition System CDI Start Assist System ES-start Chain Brake Inertia Choke w/ Automatic Fast Idle Release Yes Chain Tensioner Side Saw Chain Pitch (inch) 3/8 Guide Bar Gauge (inch) 0.050 (0.043) Applicable Bar Length (cm/inch) 35 / 14 Sound pressure level (dB(A)) 97.9 Sound power level (dB(A)) 107.7 CO² (g/kW・h) 1128 Vibration Front handle/Rear handle (m/s²) 4.1 / 6.8
