This is a description of an all-purpose, row-independent machine prototype for harvesting energetic plants in the form of chips or chaff. Patent claim P 385 536 was submitted to the patent office, regarding two versions of cutting adapters: the feeding unit equipped with elastic fingers, or equipped with worm rolls. The machine has modular structure allowing its easy modification, while a hydraulic drive with electro-hydraulic control enables to select the optimal operation parameters of working elements and units under various field conditions. The machine can cut plants with shoot diameter up to 70 mm at the height up to 100 mm, and break them up into particles of 20–60 mm.