Mounting device for a dump bucket and vehicle equipped with such a device

The device has a sub-frame (5) maintaining a trailer body (4) in lowered position. An articulation axle (60) transversal with back of the body is mounted on the sub-frame between a position lowered towards the back of body and a position raised towards a raising and lowering unit (9). The raising and lowering unit is supported on right and left sides of a front part (8) of the sub-frame to act on right and left sides of the body. An independent claim is also included for a truck tilting on a rotating frame.