A driver's cabin of a vehicle, in particular a heavy goods vehicle, the driver's cabin comprising a cabin frame, a dashboard fixedly attached to the cabin frame, the dashboard comprising a dashboard recess for a steering wheel assembly, a steering wheel assembly, said steering wheel assembly comprising a movable steering wheel column assembly and a stationary guide plate assembly, the movable steering wheel column assembly comprising: - a steering axle for a steering wheel, the steering axle having a longitudinal steering axle axis defining a longitudinal steering axle axis direction; - a steering axle housing enclosing the steering axle; the steering axle being arranged in the steering axle housing for rotating around the longitudinal steering axle axis and the steering axle being fixed in the longitudinal steering axle axis direction with regard to the steering axle housing; and - a first movable guide plate and a second movable guide plate, the steering axle housing being positioned between the first and the second movable guide plate (15, 16) and being fixedly attached to the first and the second movable guide plate (15, 16); the stationary guide plate assembly comprising; - a first stationary guide flange and a second stationary guide flange, the first and the second stationary guide flange (17, 18) each being fixedly and stationary attached to the cabin frame; wherein the movable steering wheel column assembly is positioned between the first stationary guide flange and the second stationary guide flange, and wherein the movable steering wheel column assembly further comprises a movable steering wheel column cover enclosing the first and the second movable guide plate (15, 16) and the steering axle housing and being fixedly attached to the first and the second movable guide plate (15, 16), characterized in that the first and the second movable guide plate (15, 16) of the movable steering wheel column assembly and the first and the second stationary guide flange (17, 18) of the stationary guide plate assembly comprise cooperating means for adjustment of the inclination and the position in the longitudinal steering axle axis direction of the movable steering wheel column assembly, and in that, the movable steering wheel column cover is positioned between the first and the second stationary guide flange (17, 18). - a steering axle for a steering wheel, the steering axle having a longitudinal steering axle axis defining a longitudinal steering axle axis direction; - a steering axle housing enclosing the steering axle; the steering axle being arranged in the steering axle housing for rotating around the longitudinal steering axle axis and the steering axle being fixed in the longitudinal steering axle axis direction with regard to the steering axle housing; and - a first movable guide plate and a second movable guide plate, the steering axle housing being positioned between the first and the second movable guide plate (15, 16) and being fixedly attached to the first and the second movable guide plate (15, 16); the stationary guide plate assembly comprising; - a first stationary guide flange and a second stationary guide flange, the first and the second stationary guide flange (17, 18) each being fixedly and stationary attached to the cabin frame; wherein the movable steering wheel column assembly is positioned between the first stationary guide flange and the second stationary guide flange, and wherein the movable steering wheel column assembly further comprises a movable steering wheel column cover enclosing the first and the second movable guide plate (15, 16) and the steering axle housing and being fixedly attached to the first and the second movable guide plate (15, 16), characterized in that the first and the second movable guide plate (15, 16) of the movable steering wheel column assembly and the first and the second stationary guide flange (17, 18) of the stationary guide plate assembly comprise cooperating means for adjustment of the inclination and the position in the longitudinal steering axle axis direction of the movable steering wheel column assembly, and in that, the movable steering wheel column cover is positioned between the first and the second stationary guide flange (17, 18).