Abstract: Tray filling machine, comprising: a first conveying device (2), structured so as to transport between a loading position (C) and an unloading position (S) along a direction of transport (X) a plurality of items (F) arranged in one or more distinct rows; a second conveying device (3), structured so as to transport a tray (V) on a movement plane (31) arranged in the proximity of the unloading position of the first conveying device (2) beneath the first conveying device; said first and second conveying devices (2,3) being synchronized in relation to each other in a manner such that the items (F) and the tray (V) transit contemporaneously at the unloading position and the items (F) can be arranged on the tray (V).