Brand was FSI Fabrication EzSpred, FP2 series. Although the website doesn't show it, the spinners have been available for awhile and have had about 18 months of testing and re-design.

http://www.fsifab.com/spreaders.html

I'm with the kid today but when I get back to the shop I can share some more pics if you'd like. The picture in the post below is a unit in Tulare, CA. Another unit was just delivered to Buffalo Center, IA. Any other questions I can answer. You can e-mail me as well. engineering at fsifab.com

Silas