Loading... Please wait...Graetz gear boxes are casted by a local U.S foundry and machined complete at Graetz Mfg, the same as we did for 60 years
when we sold them complete to Paul Patz for assembly in our Graetz designed Patz® 98 Series Silo Un-loader.
The same goes for all the sprockets & shafts used in these units
American quality machining that cannot be beat