Tridekon Grain Boss 13" Grain Bag Extractor (New order $52,200. In stock 2020 Manager's special $42,900!!) Up to 12000 bu/hr 120 HP Required 6GPM @ 2000 PSI "Canadian made for Canadian winters" The GRAIN BOSS ™ grain bag unloader will handle all of your grain bagging extracting requirements with the following features: ALIGNMENT