High performance backpack blower with ElectroStart for simple restarting of the blower via the control handle. Thanks to ElectroStart technology the BR 450 C-EF back pack blower doesn’t need to be removed from the operators back to re-start, saving time and effort. Another Benefit is fuel saving is that the tool can be easily switched off and re-started when not in use. The BR 450 C-EF also features a pull start with STIHL ErgoStart for starting at temperatures below 0° C. To suit a range of users and applications the blower tube length and handle position can be quickly adjusted without tools.
STIHL 2-MIX Engine
The 2-stroke engine with 2-MIX technology offers impressive engine performance, outstanding performance and excellent volume torque curve for high cutting performance and pulling power. Despite its power, the engine operates with low emissions so the engine already meets the requirements EU emissions standard Stage II.
Intense vibration at the handles of power tools can lead to long-term effects on blood vessels in the hands and arms. STIHL has therefore developed an effective anti-vibration system whereby the oscillations from the machine’s engine are dampened which significantly reduces vibrations at the handles.
Multi-function control handle
Easy, comfortable thumb-operated control means the operator’s hand never leaves the handle.
Adjustable blowing tube
The blowing tube can be easily adjusted, without tools, to suit individual body sizes or individual cleaning task. This allows for optimum blowing force and control at all times.
Toolless handle position adjustment
The handle position can be quickly adjusted without tools to suit the operator.
STIHL ErgoStart (E)
The STIHL ErgoStart makes starting the tool more convenient by enabling a smooth, even pull. The start-up sequence benefits from an additional spring between the crankshaft and start-up mechanism making the whole procedure less strenuous. Even a gentle pull of the starter cord effortlessly starts up the engine.
Thanks to Electrostart, users can restart the tool quickly and easily at the push of a button − without having to take it off their backs first. This saves them extra hassle and is the perfect solution for short breaks. The lithium-ion battery is recharged while the tool is in use.
Capacity cm3 63.3
Performance kW 2.9
Performance hp 3.9
Weight kg 1) 11.5
Sound pressure level dB(A) 2) 102
Sound power level dB(A) 2) 108
Vibration level left/right m/s² 3) 2.5/2.5
Blowing force N 4) 28
Air flow rate m3/h 5) 1.090
Maximum air flow m3/h 6) 1.430
Air speed mph 186
Max. air speed with round nozzle mph 222
Air speed with round nozzle m/s 83
Max. air speed m/s 99
Air velocity m/s 5) 83
Starting features Electrostart / ErgoStart
Tank volume l 1.70