Abstract: The invention concerns an apparatus (10) for handling containers, load pallets or similar load units comprising an auxiliary body (12) on which the container or similar load object can be disposed to be movable, the auxiliary body being turnable relative to a body or chassis (11). The apparatus comprises a coupler connected to the auxiliary body (12), by the aid of which coupler the container or equivalent can be moved higher on the auxiliary body and off of the auxiliary body. The coupler comprises a tilting cylinder (17) between the body or chassis (11) and the auxiliary body (12) and a lifting cylinder (16) between the body or chassis (11) and the auxiliary body (12), and an intermediate lever (13). The intermediate lever (13) is at one end with a pivot (21) turnably connected to the auxiliary body (12) and at the other end with a pivot (20) to the body (11).

Abstract: The invention concerns an automatic control system for the transfer of the drive power between a tractor (10) and a trailer (11), which system comprises a closed hydraulic circuit (43) that operates the drive wheels of the tractor (10) and an open hydraulic circuit (25) that operates the drive wheels (17a,17b) of the trailer. In the system, the closed hydraulic circuit (43) of the tractor (10) includes a pump (15) and a hydraulic motor (16) driven by the pump and, in a corresponding way, the open hydraulic circuit (25) of the trailer (11) comprises a motor or motors (21a,21b) driven by a pump (20). The control system comprises a line (42) that transmits a control pressure (P.sub.2) from the closed circuit (43) of the tractor (10) to the open circuit (25) of the trailer (11). When the resistance to traction increases, e.g. when driving up a steep hill, the pressure (P.sub.2) in the transmitting line (42) increases and, because of this pressure (P.sub.