Autio model 1101 GH grinder with an Autio positive displacement vane pump, rated to 25,000 pounds per hour, mild steel construction, 11" head, 3" to 4" discharge, driven by a 50hp 1475rpm direct drive with a Falk 1750 rpm in/188 rpm out gearbox (9.269:1), 21" x 27" feed hopper, with several spare parts including orifice plates, rings, knives and one new head assembly, has a 440/3/60 control panel supplying both grinders, with drive guard, serial number 399, fair condition – as is.