The PB-770 is one of ECHO’s largest and most powerful backpack blowers.


Suitable for heavy duty clearance work, the massive power generated by its 63.3cc engine translates to an incredible maximum airflow of up to 1302m³/h at speeds of 91.3m/s. Designed to be light weight and ergonomic with intuitive controls that are easy to access. The PB-770 features anti vibration technology as well as a ventilated back pad for operator comfort and an easy access heavy duty air filter to ensure dust and debris do not enter the engine.

Professional engine

Professional engine

Featuring a powerful, professional grade 63.3 cc petrol engine for exceptional air volume and speed.

Power to weight ratio

Power to weight ratio

Its 63.3cc engine has an output of 3.05kW and with the machine weighing just 11.0kg, the PB-770 has a superb power-to-weight ratio.



Engineered and slowly refined over decades to give optimal air volume and speed.

Best Features.


Features one of ECHO’s most powerful engines.


Designed to maximise efficiency and comfort.

Low Vibration

Vibration reduced by ECHO anti-vibe technology.

Product Details.

Dry Weight (kg) 11.0
Air Volume (m³/h) 1290
Engine displacement (cm³) 63.3
Fuel Consumption At Maximum Engine Power (L/h) 1.87
Output (ps) 4.2
Max Air Speed (m/sec) 105
Output (kw) 3.1
Nozzle Type A: Round straight / B: Round Bent
Fuel tank capacity 2.020
Vibration Levels (m/s²) (Nozzle TypeA/Nozzle TypeB/Nozzle TypeA:Rear Handle) 2.8 / 1.9
Blowing Air Force(N) 33.2
CO2 (g/kW・h) 1 978

1 This CO₂ measurement results from testing a (parent) engine representative of the engine type (engine family) over a fixed test cycle under laboratory conditions and does not imply or express any guarantee of the performance of a particular engine.

Other Features.