The Echo CS-4310SX is a professional grade, mid-sized chainsaw suitable for a wide range of applications, including felling. With an extremely light weight (just 4.3kg) and durable frame and a powerful 42.9 cm³ 2-stroke engine (2.3 kW) it provides the best power to weight ratio in its class. This means you get extreme manoeuvrability and comfort without compromising on power. The industry leading, centrifugal separation dust free system uses centrifugal forces and an automotive style filter to ensure your engine and internal components stay free from dust and debris, massively reducing the need for maintenance. The CS-4310SX features: 40cm/16" bar, side access chain tensioner for easy chain adjustment, flip lever caps for easy refilling, translucent fuel tank. Price shown is for a model with a 16" bar, a model with a 13" bar is also available at a lower cost.