Cultivator

A cultivator comprising an elongated supporting structure that has at least two substantially parallel beams extending transverse to the direction of travel, at least one hollow frame portion with a group of rotatable soil working members being connected to said structure and depending from the same, said soil working members being rotatably mounted on corresponding upwardly extending shafts that are positioned in a row and said shafts being journalled in said frame portion, said frame portion being elongated and extending transverse to the direction of travel, drive means housed within said frame portion and engaging said shafts, the shaft one of said soil working members having an extension that is connected to a first drive transmission, said first transmission being mounted on top of said frame portion and being interconnected to a second drive transmission on said supporting structure by a detachable drive shaft, said frame portion, together with said group of soil working members, and said first transmission being detachably connected to said supporting structure and drive shaft respectively, spaced apart supporting members detachably mounted on said hollow frame portion and said supporting members forming part of a parallelogram linkage that interconnects the frame portion to said supporting structure, said linkage comprising two spaced apart arms positioned one above the other that are pivotable upwardly and downwardly, the forward ends of said arms being connected to bracket means on said leading beam and the rearward ends of the arms being pivoted to said support members, said drive shaft and support members being detachable from said first transmission and frame portion and reconnectable to a further transmission and a further hollow frame portion that has corresponding soil working members, said corresponding soil working members having a working width that differs from the first mentioned group of soil working members.