The present invention provides a T-shaped wheel support rod of a tilling machine, wherein the support rod is a main bone of the tilling machine, and has an elongated round rod, and the two ends are respectively a first connecting portion and a second connecting portion； Wherein the first connecting portion is combined with a socket, and respectively combined with a handle set, a power group and a wheel set, the second connecting portion is combined with a gear set and a tool set spaced apart on both sides of the gear set； The bottom of the socket is combined with a pair of T-shaped rods, and a screwing member is arranged in the middle of the double T-shaped rod to provide a positioning function, and at the same time, a coulter or a resistance rod can be selectively combined, and separately provided at both ends of the double T-shaped rod The wheels are quickly combined, and the combination of the modes can be freely selected according to the actual use requirements, so as to achieve a more comprehensive practical effect.本創作係提供一種耕耘機之T形輪子支架桿，於該支架桿為耕耘機之主骨，主要具有一長形圓桿，且兩端分別為一第一連結部與一第二連結部；其中該第一連結部結合有一承座，且於分別結合有把手組、動力組及輪子組，該第二連結部則結合有齒輪組、及間隔設在該齒輪組兩側之刀具組；又該承座下方結合一雙T形桿，該雙T形桿中間設一螺合件提供定位功能，同時並能選擇性結合犁刀或阻力桿，另於該雙T形桿之兩端分別提供輪子快速地結合，且可視實際使用需求自由選擇結合方式，以達到實施上更全方位之實用性功效。
