First, the dewalt powerdrive kits were bolted to the baseplate. After that, the outer side rails were bolted to the frame. 1/2″ shoulder bolts were added with the threaded end on the outside of the wheel guards. The outer wheel guards were removed, allowing for the addition of washers, wheels and the drive shaft. Once all of this was added the outer panel was reattached. The weapon motor shaft goes into an aluminum pillowblock made from scrap, the exact design will be up to you if you replicate it, the only important part is the bushing or bearing used in it must be 1″ above the baseplate.