If you have already printed Wheel type A for the rancher then you can simply unscrew the inner rim, place the center rim on the modified inner rim, screw in each hole (sizes between m2x6 - m2x10 screws will work), and finally place the outer rim.
I printed these out of pla at 0.2mm resolution
The author remixed this model.
I modified the center rim to accommodate wheel type A for the rancher.