Agricultural Machines Hydraulic scoop Roller Cultivator Chisel field Decompactor stork class Subsoiler Cultivator cultivineyard Discs harrow Post-hole borer Vine shoot and stump picker Fertiliser spreader Mower Cultivator N. arms 7 27×27 9 27×27 11 27×27 13 27×27 15 27×27 9 32×32 11 32×32 13 32×32 15 32×32 17 32×32 9 35×35 11 35×35 13 35×35 16 35×35 19 35×35