An integrated axle and fan wrapper for an agricultural harvesting machine, including a fan wrapper structure connected between first and second spaced apart side sheets and extending sidewardly therebetween in spanning relation to the space, the wrapper structure incorporating at least one cross member connected between the first and second side sheets for holding the side sheets in the parallel spaced relation, and the fan wrapper structure defining and at least partially enclosing an internal cavity configured for receiving a fan for rotation therein. The integrated axle and fan wrapper includes a first axle structure mounted sidewardly outwardly of and integrated with the fan wrapper structure and having a first outer end portion configured for mounting a first wheel thereon, and a second axle structure mounted outwardly of the fan wrapper structure and integrated therewith and having a second outer end portion configured for mounting a second wheel thereon, the fan wrapper structure serving to support and stiffen, strengthen and integrate the axle structures.