A construction machine having a seat device , the seat device comprising a positioning device and a seat console having a seat arranged thereon, wherein the positioning device comprises a first pivot arm and a second pivot arm for guiding the seat console along a curved trajectory, wherein the pivot arms respectively comprise a first end and a second end , wherein the respective first end of the pivot arms is supported on the positioning device via a respective first rotary joint , wherein the first rotary joints of the pivot arms have a distance A 1 and the respective second end of the pivot arms is connected to the seat console via a respective second rotary joint in a manner as spaced apart from each other, wherein the second rotary joints of the pivot arms have a distance A 2 , wherein the distance of the first rotary joint of the first pivot arm to the second rotary joint of the first pivot arm is L 11 , and the distance of the first rotary joint of the second pivot arm to the second rotary joint of the second pivot arm is L 12 , and wherein the first rotary joints are offset from each other in the direction of travel and/or L 11 ≠ L 12 , wherein, during positioning, the seat console is moved, starting from a basic position, along the curved trajectory and, in doing so, is rotated inward toward a longitudinal center plane of the positioning device characterized in that during positioning, as seen from the view of a vehicle driver, the seat console is displaced, starting from the basic position, in a forward left direction and is simultaneously rotated to the right towards a left-hand end position and is displaced in a forward right direction and is rotated to the left towards a right-hand end position, wherein the seat console, in its left-hand end position, is rotated to the right by at least 70° and, in its right-hand end position, is rotated to the left by at least 15°. wherein the positioning device comprises a first pivot arm and a second pivot arm for guiding the seat console along a curved trajectory, wherein the pivot arms respectively comprise a first end and a second end , wherein the respective first end of the pivot arms is supported on the positioning device via a respective first rotary joint , wherein the first rotary joints of the pivot arms have a distance A 1 and the respective second end of the pivot arms is connected to the seat console via a respective second rotary joint in a manner as spaced apart from each other, wherein the second rotary joints of the pivot arms have a distance A 2 , wherein the distance of the first rotary joint of the first pivot arm to the second rotary joint of the first pivot arm is L 11 , and the distance of the first rotary joint of the second pivot arm to the second rotary joint of the second pivot arm is L 12 , and wherein the first rotary joints are offset from each other in the direction of travel and/or L 11 ≠ L 12 , wherein, during positioning, the seat console is moved, starting from a basic position, along the curved trajectory and, in doing so, is rotated inward toward a longitudinal center plane of the positioning device characterized in that during positioning, as seen from the view of a vehicle driver, the seat console is displaced, starting from the basic position, in a forward left direction and is simultaneously rotated to the right towards a left-hand end position and is displaced in a forward right direction and is rotated to the left towards a right-hand end position, wherein the seat console, in its left-hand end position, is rotated to the right by at least 70° and, in its right-hand end position, is rotated to the left by at least 15°. <EOS>