1GKN-180 rotary tiller 1.the matching tractor power (kW):36.8-44.1 four-wheel tractors 2.outside dimension ( L*W*H) (mm):1020×2106×1152 (±30) 3.working range(mm):1800 4.structural mass (kg):388 (±5) 5.type of connection:standard trifilar suspension 6.the form of rotary blades:arranged as a spiral line 7.the quantity of rotary blades :25 IT245 blades on each side 8.work efficiency (hm2/h) :0.28-0.98