The trimmer has a changing unit for allowing change of a remote position of a cutting tool with respect to an end of a telescopic or articulated arm of a handling or lifting machine. The changing unit is provided with electrical energy. A hydraulic generator (70) is supported by a rapid adaptation device (10). A remote control is provided for the generator and the changing unit for allowing the change of position of the cutting tool. The generator is mounted in an overhang with respect to an end of a fixed part (21).
