... : 1, after cultivation, the soil block is in small, surface is smooth, weeds and stubble covered good.2, strengthen the ... cutter shaft, knife blocks is thickened, cutter shaft bearing increase;3, strengthen type gear box : : bold gear box spline axis ... channel steel, the below suspension is binaural type. Supplying high performance with competitive price cultivator/rotary tiller 1GQN-250B farm machine