Takes rice in its stride: the APS threshing unit.
As rice grains are delicate, a spike-toothed threshing drum is used instead of the usual rasp bar threshing drum. The spike teeth on the threshing drum rub the rice grains out of the plant's panicles. The spike teeth are offset on the bars of the threshing drum and pass between the stationary spike teeth on the threshing concave.
Additional toothed bars are bolted to the impeller to direct the heavy rice straw onto the straw walkers reliably under all conditions.