For the last century, Caterpillar's calling card has been its trademark macaroni-yellow backhoes and bulldozers. Increasingly, customers are interested in something else: the generators powering the artificial intelligence boom. At hundreds of data center construction sites across the US, Caterpillar — alongside Cummins, Generac, and Rolls-Royce — supplies dozens of these machines. With some capable of powering more than 1,000 homes, generators ensure that AI models and cloud software can run