Abstract: Load-handling trolleys of a type in which a load-supporting deck is displaceable into an out-of-use position and opposed load-retaining side walls can be pivoted about rear pivot axes to bring them into mutually inclined positions such that a number of such collapsed trolleys can be nested one into another. The trolley has a wheeled base unit to which the side walls are detachably connectable. The base unit comprises a bridge portion (4) and opposed side beams (2, 3) for supporting the load-retaining side walls. Such side beams are connected to the bridge portion by pivot joints (10, 11) so that the side beams can swing into mutually inclined positions together with the side walls.