Construction machine comprising - an engine, - a machine frame, - a pair of front wheels (13, 14) with at least one right-side front wheel (13R, 14R) and at least one left-side front wheel (13L, 14L) in the forward direction of the construction machine, each front wheel (13, 14) being steerable about a separate vertical steering axis, - a steering structure connected to the front wheels (14R, 14L) for driving and coordinating the steering movement of the front wheels about the vertical steering axes, the steering structure comprising - a steering actuator mounted on the machine frame and comprising a driven control member that is linearly moveable in a horizontal plane and perpendicular to the forward direction along an adjustment axis in relation to the machine frame, the driven control member comprising link elements at each end on its right and left side with regard to the forward direction of the construction machine, - wherein the link elements are part of link joints of steering linkages in functional connection with the front wheels (14L, 14R) for steering purposes, wherein the link elements of the control member are rigidly connected with each other by a connecting/fastening element that is independent from the control member, and in that the connecting/fastening element is part of an anti-rotation structure that inhibits a rotational movement of the link elements about the adjustment axis in relation to each other and to the machine frame and thus fixates the rotational position of the link elements about the adjustment axis in relation to the machine frame and to each other, characterized in that the connecting/fastening element is a plate-like element, is positioned below the steering actuator and is attached to the link members in a detachable manner via screw connections, the screw connections being are accessible from the underside of the construction machine. - an engine, - a machine frame, - a pair of front wheels (13, 14) with at least one right-side front wheel (13R, 14R) and at least one left-side front wheel (13L, 14L) in the forward direction of the construction machine, each front wheel (13, 14) being steerable about a separate vertical steering axis, - a steering structure connected to the front wheels (14R, 14L) for driving and coordinating the steering movement of the front wheels about the vertical steering axes, the steering structure comprising - a steering actuator mounted on the machine frame and comprising a driven control member that is linearly moveable in a horizontal plane and perpendicular to the forward direction along an adjustment axis in relation to the machine frame, the driven control member comprising link elements at each end on its right and left side with regard to the forward direction of the construction machine, - wherein the link elements are part of link joints of steering linkages in functional connection with the front wheels (14L, 14R) for steering purposes, wherein the link elements of the control member are rigidly connected with each other by a connecting/fastening element that is independent from the control member, and in that the connecting/fastening element is part of an anti-rotation structure that inhibits a rotational movement of the link elements about the adjustment axis in relation to each other and to the machine frame and thus fixates the rotational position of the link elements about the adjustment axis in relation to the machine frame and to each other, characterized in that the connecting/fastening element is a plate-like element, is positioned below the steering actuator and is attached to the link members in a detachable manner via screw connections, the screw connections being are accessible from the underside of the construction machine.