Compact, lightweight and widely considered as the best top handle petrol chainsaw on the market, the ECHO® CS-2511TES top handle saw has become a favourite for the arborist, climbers and foresters from around the world.The CS-2511TES top handle arborist chainsaw is ECHO’s lightest and most compact saw. Weighing just 2.3kg (dry weight w/o bar and chain) and with an ergonomic compact design, the saw is both highly manoeuvrable and can be used for long periods with little fatigue. At the same time, the engine produces 1.10kW giving the CS-2511TES a superior power-to-weight ratio.Innovation is the essence of ECHO and although small, the CS-2511TES is packed with innovative features. Grouped controls and a new ergonomic top handle makes the CS-2511TES a great climbing saw. A swing-out lanyard ring is positioned for superior balance and easy climbing. Specification Engine displacement (cm³) 25.0 Output (kw) 1.11 Output (ps) 1.51 Dry Weight (kg) (undefined) 2.3 Fuel Tank Capacity (ml) 190 Chain Oil Tank Capacity (ml) 140 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) 0.50 Applicable Bar Length (cm/inch) 25/10 Sound pressure level (dB(A)) 99.7 Sound power level (dB(A)) 110.3 CO² (g/kW・h) 961 Vibration Front handle/Rear handle (m/s²) 3.5/4.0