Multi-purpose mulchers for the utmost heavy working conditions, such as the mulching of big pruning residues and the upkeep of wooded areas. This series is built using highly-endowed components. To ensure the greatest cutting power, the rotor has a double drive and is equipped with interchangeable swinging hammers. Equipped with a gearbox with overrunning clutch, the NK7 series is a tractor mounted mulcher that fits to the three point linkage of the hydraulic lift of the tractor. Working width of 2140 mm.