In the video below, Motley Fool industrials analyst Blake Bos takes a hard look at the headwinds facing Caterpillar (CAT -0.34%) today. He tells investors about its difficulties in Europe and slowed growth in China, discusses a painful amount of capital expenditures for the company, and gives us a picture of why inventory is a huge problem for Caterpillar at the moment. Blake shares some insights on exactly what to watch to know if the climate is changing for Caterpillar and if it might be time to jump in.