Axle device for an agricultural trailer and agricultural trailer

The invention relates to an axle assembly (1) for an agricultural trailer (35) with a frame (2, 3) on which a cargo space or usable surface of the trailer (35) is supported and with axle modules (11, 15) which are arranged on the frame (2, 3) and are supported on the ground with wheels (24, 33), wherein the axle modules (11, 15) are releasably fastened to the frame (2, 3).