Echo CS-4510ES with 18" Bar The CS-4510ES rear handle chainsaw is built for all-around use. It has a powerful stratified 45cc engine and Easy Start for almost effortless starting. With a lightweight and durable body, the saw has an excellent power-to-weight ratio and a dry weight of 5.0kg. Useful features include a tool-less air filter cover allowing easy air filter access, even when wearing gloves; a side-access chain tensioner that enables easy chain adjustment; tool-less oil/fuel caps for easy refilling. Features Power to weight ratio Super light-weight design with exceptional power. Ergonomics Designed to maximise efficiency and comfort. Easy start engine ECHO’s patented system for effortless starting. Technical Specifications Engine displacement (cc) 45.0 Output (kw) 2.3 Output (ps) 3.1 Dry Weight (kg) (undefined) 5.0 Fuel Tank Capacity (ml) 480 Chain Oil Tank Capacity (ml) 330 Fuel Consumption At Maximum Engine Power (L/h) 1.19 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) 0.325 Guide Bar Gauge (inch) 0.058 (0.050) Applicable Bar Length (cm/inch) 45 / 18 Sound pressure level (dB(A)) 100.2 Sound power level (dB(A)) 111.9 CO² (g/kW・h) 803 Vibration Front handle/Rear handle (m/s²) 2.6 / 2.8