A tool suspension (1) for a vehicle (2), preferably a tractor, including a first frame (3) for mounting the tool suspension (1) and a second frame (4) for mounting a tool, where the tool (5) suspension (1) includes a pivot arm arrangement (6) which is pivotably mounted between the first (3) and second (4) frame, where the tool suspension (1) has at least one extreme position with the second frame (4) in a position beside the driving direction (25) of the vehicle, where the tool suspension (1) has a transport position with the second frame (4) in a position in line with the driving direction (25) of the vehicle, and where the tool suspension (1) is provided with a first locking arrangement (7) for retaining the second frame (4) in a position from the extreme position and to the transport position, wherein the pivot arm arrangement (6) includes a first arm (8) and a second arm (9), where each arm (8,9) includes an upper arm (10) connected with the first frame (3) by a first joint (12), and a forearm (11) connected with the second frame (4) by a third joint (14), where the upper arm (10) and the forearm (11) are interconnected by a second joint (13), and where each joint (12,13,14) is pivotable abut a largely vertical axis.