An automated storage and retrieval system comprising: - a track system comprising a first set of parallel tracks arranged in a horizontal plane and extending in a first direction and a second set of parallel tracks arranged in the horizontal plane and extending in a second direction which is orthogonal to the first direction, which first and second sets of tracks (110, 111) form a grid pattern in the horizontal plane comprising a plurality of adjacent grid cells, each comprising a grid opening defined by a pair of neighboring tracks (110a, 110b) of the first set of tracks and a pair of neighboring tracks (111a, 111b) of the second set of tracks; - a plurality of stacks of storage containers arranged in storage columns located beneath the track system, wherein each storage column is located vertically below a grid opening; - a vehicle comprising a storage container lifting device for lifting storage containers stacked in the stacks and a drive system comprising a wheel arrangement (19,20), the drive system being configured to drive the vehicle along the track system in at least one of the first direction and the second direction, characterized in that the vehicle further comprises: - a base onto which the wheel arrangement (19,20) is connected, - a rotational part rotationally connected via a swivel device to the base having a rotational axis directed perpendicular to the horizontal plane, the rotational part comprising a bulk section rotationally connected to the base and a protruding section extending horizontally in the first direction from the bulk section forming a container receiving space confined in height by the vertical distance from the track system to the protruding section and in the horizontal plane to the horizontal extent of the protruding section, wherein the storage container lifting device is arranged at least partly below the protruding section, wherein the storage container lifting device is connected to the lower face of the protruding section and - a rotational drive system for rotating the rotational part relative to the base. - a track system comprising a first set of parallel tracks arranged in a horizontal plane and extending in a first direction and a second set of parallel tracks arranged in the horizontal plane and extending in a second direction which is orthogonal to the first direction, which first and second sets of tracks (110, 111) form a grid pattern in the horizontal plane comprising a plurality of adjacent grid cells, each comprising a grid opening defined by a pair of neighboring tracks (110a, 110b) of the first set of tracks and a pair of neighboring tracks (111a, 111b) of the second set of tracks; - a plurality of stacks of storage containers arranged in storage columns located beneath the track system, wherein each storage column is located vertically below a grid opening; - a vehicle comprising a storage container lifting device for lifting storage containers stacked in the stacks and a drive system comprising a wheel arrangement (19,20), the drive system being configured to drive the vehicle along the track system in at least one of the first direction and the second direction, - a base onto which the wheel arrangement (19,20) is connected, - a rotational part rotationally connected via a swivel device to the base having a rotational axis directed perpendicular to the horizontal plane, the rotational part comprising a bulk section rotationally connected to the base and a protruding section extending horizontally in the first direction from the bulk section forming a container receiving space confined in height by the vertical distance from the track system to the protruding section and in the horizontal plane to the horizontal extent of the protruding section, wherein the storage container lifting device is arranged at least partly below the protruding section, wherein the storage container lifting device is connected to the lower face of the protruding section and - a rotational drive system for rotating the rotational part relative to the base.