An industrial truck has a steering axle with two axle tree bolster systems located at a lateral distance from each other. Each system has an axle body with an axle shaft (1) and an axle tree bolster (2) located on the lower end of the axle shaft (1). The axle tree bolster (2) and the axle shaft (1) are individual components that are connected with each other. The axle tree bolster (2) is preferably detachably fastened to the axle shaft (1). The rotational position of the axle tree bolster (2) relative to the axle shaft (1) can be adjustable. Means can also be provided for the positive and/or non-positive transmission of a torque from the axle shaft (1) to the axle tree bolsters (2).