An arrangement in the cabin of a vehicle includes a floor, a first equipment component, a second equipment component and a partitioning device. The partitioning device is set up to provide a wall surface between the first equipment component and second equipment component largely perpendicular to the floor. The partitioning device is positionable in at least two positions along a length running between the first equipment component and second equipment component. The partitioning device is lockable in its respective position on at least one of the floor, a cabin ceiling and a cabin lining.