Because combine harvesters ride over stubbles during harvesting, machine vibrations may be more excessive when moving on flat surfaces. The track-roller arrangement affects machine vibrations. In this study, cross-row harvesting simulations of different track-roller arrangements based on a dynamic model of a combine harvester with three degrees of freedom (vertical, pitch, and anteroposterior directions) was performed to suppress vibrations on paddy fields. Consequently, the track-roller arrangement for suppressing vibrations showed that the first and third track-rollers rode over core bars simultaneously when the second and fourth track-rollers rode over the center of core bars simultaneously. Moreover, the first, fourth, third, and second track-rollers rode over stubbles, one after another.