ZKP 420 is a single rotor rotary rake with working width of 4,2 m, equipped in eleven working arms. Each arm ends with four double raking fingers. For transport position working arms are removable and positioned on the rakes frame. Elastic suspension of ZKP420 rotary rake, due to mobile heads, improves maneuverability and surface tracking, while two shock absorbers improve working conditions and assist the central setting of machine behind tractor. The axle system is equipped in four wheels with pneumatic tires in tandem arrangement, for operations on tractors I and II cat. ZKP 420 power requirement amounts to 22 kW (30 HP), and it weights 500 kg. The rotary rakes is equipeed with rigid suspension, oil gearbox.