A method for producing drives, in particular piece goods conveyor drives, using a modular system, in particular according to any one of the preceding claims, having at least one first group of transmission units comprising at least one transmission unit, having at least one second group of motor units comprising at least one motor unit, and a third group of electronic units comprising at least one electronic unit for actuating the motor unit wherein at least one transmission unit from the first group, at least one motor unit from the second group and at least one electronic unit from the third group can be combined with one another to produce a drive having the desired drive properties.