A kind of farm machinery device,It includes there is a bearing support component,It is one bearing base of coupling； One power device,It is the side for setting what bearing base； One cutter arrangement,It is the one end for coupling what bearing support component； One operation handle assembly,It is with a handle portions,The hand handle bracket of one link rod part and an interconnection link rod part,Hand handle bracket couples one end of bearing support component of the what far from the cutter arrangement,And hand handle branch is provided on the other hand the unit that folds； One driving wheel folds unit,It is to set what adjacent to the bearing base and couple the bearing support component,The driving wheel far from the aforementioned coupling end folds unit equipped with an at least wheel body； One resistance folds unit,It is to set between what hand handle bracket and bearing base and couple the bearing support component； Wherein hand handle fold unary system be hand handle carriage support both ends be equipped with a multi-tooth meshing seat,And wherein a multi-tooth meshing seat couples a movable rod piece,And movable rod piece alternative is rotated with a specific direction so that the tooth of multi-tooth meshing seat separates,User can via loosen multi-tooth meshing seat and by link rod part towards the recessed folding of power plant direction up to handle angle needed for operation or to complete the state that fold.一種農用機械裝置，其包含有一承載支架組件，其係耦接一承載基座；一動力裝置，其係設於承載基座之一側；一刀具裝置，其係耦接於承載支架組件之一端；一操作手把組件，其係具有一手把部、一連桿部與一相互連接連桿部之手把支架，手把支架耦接於遠離該刀具裝置之承載支架組件之一端，而手把支架設有一手把摺疊單元；一驅動輪摺疊單元，其係設於鄰近該承載基座並耦接該承載支架組件，遠離前述該耦接端之該驅動輪摺疊單元設有至少一輪體；一阻力摺疊單元，其係設於手把支架與承載基座之間並耦接該承載支架組件；其中手把摺疊單元係為手把支架係兩端設有一多齒嚙合座，而其中一多齒嚙合座耦接一可活動桿件，而可活動桿件可選擇性以一特定方向轉動以使多齒嚙合座的齒件分離，使用者可經由鬆脫多齒嚙合座並將連桿部朝動力裝置方向凹折以達作業所需之把手角度或完成摺疊狀態。
