AI Frenzy Is Spreading Over to Caterpillar and Oil Frackers

Caterpillar Inc., the company synonymous with yellow bulldozers and mining trucks, is getting a boost from another type of machinery.

Power generators and turbines, which keep data centers running, have become a dominant driver for the company as demand for artificial-intelligence infrastructure takes off globally. Caterpillar told investors on Wednesday that sales of those products jumped 31% in its latest quarter, trouncing sales growth for its more traditional equipment.