Abstract: Apparatus for transferring harvested material from a harvester into a trailer moving alongside the harvester at a slightly faster rate, for which purpose a conveyor inclined at an oblique angle to the direction of motion of the vehicles is loaded with harvested material and a shuttling means reciprocates the conveyor and its drive means in the conveying direction while a drive interrupting means causes the conveyor to be driven only during one sense of the reciprocating drive of the shuttling means.