Abstract: The present disclosure relates to a fork-lift truck, comprising, a housing, a mast, an actuating device, a framework extension assembly, a control unit, a pair of support legs. The fork-lift truck is provided with a sensor device that is arranged to detect a predetermined rotary position of at least one rotary axis of the framework extension assembly. The control unit is arranged to determine and set a maximal speed and/or a maximal acceleration, and/or a maximal deceleration, and/or a maximal lift height, and/or a maximal load weight, of the fork-lift truck based on the detected predetermined rotary position of the said at least one rotary axis.