Three Grain Bins for Sale Brock Grain Bin 30 X 27 - drying bin in good condition with fan, stirator, 8 inch auger discharge. Recent maintenance upgrades. 15,000 bu. Built in 1983. $3500 Stor-mor bin 27 X 17 -- 7,000 bu. dryer, 6 inch discharge $1500Old government bin in good shape. Best offer. All need to be moved by buyer. Located near Corwith, Iowa.