Using the same flexible shaft and the same vibrating head as electrical type, this unit allows to work wherever electricity is not yet available (motorway, dams, export, etc...)
Nevertheless, instead of using a 3 m flexible shaft, it is necessary to use a 4 m length due to the distance necessary between the worker and the engine.
Petrol or Diesel drive unit :
Composed of petrol or diesel engine, with overdrive coupling and installed on a frame