Machines not included in other classes and implements and agricultural machines, including sowing machines, drainage machines and machines for the maintenance, cultivation and treatment of agricultural land, sports fields and meadows; mechanical hole-piercing machines, as well as self-propelled machines for the propulsion and drive of machines and agricultural machines, including sowing machines, drainage machines and machines for the maintenance, treatment and cultivation of sports fields, agricultural land, meadows and artificial turf fields; mobile power generators.