ABSTRACT A compound draft sensing spring assembly (100) for different soil applications by a tractor said assembly comprising: a seat (110) for draft sensing spring a spindle top link (120) provided with a plurality of holes (125) at a predetermined pitch from said seat (110), preferably one hole (125) each before and after said low-stiffness spring (140) said spindle top link (120) is fixed to said draft sensing spring seat (110) at least one high-stiffness spring (130) placed on the outer end of said spindle top link (120) and at least one low-stiffness spring (140) placed on the inner end of said spindle top link (120) fixed on said draft sensing spring seat (110) wherein a partially threaded bolt as a separation pin (150) is insertable at one of said holes (125) and lockable on said spindle top link (120) by a nut for selectively operating said draft sensing spring assembly as per soil to be worked on. FIGURE 2.