a self - propelled tiller - planter including a motor providing hydraulic motive power for various operating mechanisms . a tiller pushed by said planter and hydraulic means is provided for lifting and lowering the tiller assembly into inoperative position above the ground and into operative tilling position in contact with the ground . a pivoting cradle is provided to which the motor is fixed , the cradle rocking simultaneously with the up and down movements of the tiller insuring that the shaft to the tiller assembly is in alignment with the motor . since the tiller is pushed at the front of the planter the soil being worked thereby may be packed down by the wheels which follow the tiller and means are provided at the rear of the rear wheels of the planter to rework the soil for the planting operation .