Now that we know you have the skills and equipment. Do you have metal break? Can it bend 16 ga steel? If so take a look at my ammo box tutorial. If anything It will show the basics of my cross draft design. If you can build a box you can make a more robust and larger version of this to run your tractor.
When you get to the blower filter and lid come get me or ask these guys. This is a dumbed down system meant for anyone to experiment with. For the filter you should build a simple drum filter and we can show you how to mount the Ametek blower to it.
This here bellow is the latest nozzle update. You dont need to purge the water tank with this new design.