This machine was originally designed to handle 9900 lbs/hr of a dry grain product. It has NEVER BEEN USED. The control panel has a variable speed drive to control the unit's output by controlling it's auger speed. It's hopper capacity is 23.5 cu-ft. The inlet is 9-1/2" and the outlet is 7-3/4". Manuals are included. Electrical 575V/3Ph.