The wagon (1) has a luggage compartment limited at a front side of a swingable front wall (7), which is arranged over a conveying channel (8). The front wall is swingable with respect to vertical direction around more than 20 degrees forward in positions (7a-7c). A vertical load sensor (5) controls swivel angle, and is arranged on or in a shaft (4) and formed as a pressure sensor in an offset cylinder and/or a chassis frame (5''). The load sensor is coupled with a control device (10) in a cabin of a tractor (3). The control device is coupled with a hydraulic cylinder (9).