Swath-forming is the important and responsible stage of the whole forage preparation process. Rotary rakes Kolibri will be ideal for farms that prepare forage by themselves for domestic needs. Efficiency of Kolibri 4,7 m achieves up to 5.6 hectare/hour at grasp width of 4.7m. The rake performs thorough raking of grass from wide swaths into even rolls, light tossing of the mowed mass in swaths, covering, throwing and doubling hay swaths. Possibility of choosing the swath width allows to adjust the machine for further operation of baler. The rake overcomes obstacles like stones or soil unevenness by means of special tandem trolley. They also save your time due to the quick replacement of rake elements and reduced time for aggregation. The rakes are used in the fields with lined surface. They are aggregated with tractors of 1,4 drawbar category. Kolibri will show the excellent working results with minimal losses.