In this video Big Tractor Power spends time out in a 3,000 acre corn field with two 550 hp 410 bu CASE IH 9250 Axial-Flow Combines equipped with 4416 16 row corn heads. Watch these new class 9 combines clear off 40 ft of corn per pass while unloading on the go at 4.5 bushels per second with 620 and 580 hp CASE IH Quadtrac Tractors and KINZE 1100 and 1050 Grain Carts. This video takes viewers for a ride in the combines' and tractors cab.