Powerful, professional U-handle brushcutter with robust and ergonomic construction.

Where to buy

The ECHO SRM-4605/U has been designed for the full time professional. With a super powerful engine, light weight construction and intuitive controls you can cut time off your job and get it done in comfort.

Blade or nylon line.

Blade or nylon line.

Choosing the best trimmer head for the job will make a world of difference. The SRM-4605/U is powerful enough to use either a nylon line head or an ECHO blade attachment.

U handle.

U handle.

The U- handle increases comfort and decreases fatigue by supporting the unit's weight and providing a consistent range of movement.

ECHO engine.

ECHO engine.

The 45.7cm³ professional grade engine at the heart of the SRM-4605/U is both highly efficient and incredibly powerful. All ECHO engines are manufactured in Japan to the highest possible standards so you can get the job done, day after day.

Best Features.


Features one of ECHO’s most powerful engines.


Designed to maximise efficiency and comfort.

Ease of Use

Power on and get to work. Intuitive controls and features make your job a breeze.

Product Details.

Engine displacement (cm³) 45.7
Output (kw) 1.7
Output (ps) 2.3
Dry Weight (kg) 7.9
Fuel tank capacity (l) 0.95
Fuel Consumption At Maximum Engine Power (L/h) 1.40
Carburettor Diaphragm
Drive shaft type Solid shaft
Drive shaft diameter (mm) 8.0
Main pipe diameter (mm) 28.0
Gear reduction ratio 1.33
Standardised Nylon Head B6 M10L
Standardised Nylon Head (Item Number) X047-001121
Standardised Metal Blade 3-cutter metal blade
Standardised Metal Blade (Item Number) X405-00001
Vibration Left handle/Right handle (m/s) Metal Blade 5.3 / 4.2
Vibration Left handle/Right handle (m/s) Nylon head 5.6 / 4.2
Sound power level (dB(A)) Blade/Nylon head 108.3 / 111.7
Sound pressure level (dB(A)) Blade/Nylon head 97.8 / 101.2