Worldwide there is an important trade in used agricultural machinery. Used tractors, combines and smaller equipment like ploughs are often shipped over considerable distances. Machinery that is nearing the end of its economic life in one country can still be very profitable in another. It is, however, important that the importing country does not receive "scrap" and that there is adequate after-sales support.

To get a better insight into the usefulness of this trade, FAO has undertaken country studies that are presently being compiled in a global report.