The truck (1) has a driver workstation (F) comprising a driver seat i.e. standing seat, and a bottom platform, where sides of the workstation are limited by a wall-like side limitation. The driver seat is adjustable between different operating positions in which the driver seat is differently oriented with respect to a vertical axis. The driver seat is arranged at the side limitation by a linear guiding unit, where the guiding unit has a guiding rail or cam track. The seat is adjusted by an adjusting device, and a locking unit locks the driver seat in the operating positions.
