Outdated or underperforming concaves are a major source of profit loss during harvest. When concaves can’t keep up with today’s high-capacity combines, farmers risk unthreshed grain, cracked kernels, ...

They drive the truck over pits that are covered with grates. Elevator workers dump the grain into the pits. As they do so, the dust flies. Each pit can hold about 1,000 bushels. Corn goes into one pit ...