Sold out.  Looking to buy.

Takes two 10 hp motors, included.  One motor is controlled by a variable frequency drive (VFD) to control the rpm of the hulling chamber. 

The Challenger is a complete unit that hulls the oats, separates the groats from the hulls and blows the hulls away to a collector.

Literature states that that the capacity is up to 150 bph.  Capacity will vary due to crop conditions.