Why Caterpillar can't keep up with a boom in demand - Reuters

Orders for the mining machines and construction bulldozers made at this sprawling Caterpillar Inc. (CAT.N) factory in central Illinois have jumped, in general, three-fold over the past year. But meeting that boom in demand at the world's largest heavy equipment manufacturer is a challenge, in part because of Caterpillar suppliers like Steve Kirsh...

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