above with regard to center frame section 12 and are not described in further detail herein during use it is periodically necessary to move the field cultivator 10 from an unfolded operating position to a folded transport position first each outer wing section 18 a and 18 b is folded laterally inward and over a respective middle wing section 16 a and 16 b fig3 and 4 with the outer wing sections 18 a and 18 b in the folded state each middle wing section 16 a and 16 b is then folded laterally inward and over a respective inner wing section 14 a and 14 b fig5 and 6 with the middle wing sections 16 a and 16 b in the folded state each middle wing section 16 a and 16 b is then folded laterally inward and over the center frame section 12 fig7 and 8 to unfold the field cultivator 10 and transform back to the field or operating position shown in fig1 and 2 the folding sequence described above is simply reversed the outer wing sections 18 middle wing sections 16 and inner wing sections 14 are stacked together in a vertically arranged stack over the.