Caterpillar's Data-Center Boom Creates a Concentration Risk
Data-center demand drove a 72% rise in Caterpillar power-generation sales and helped lift backlog to $72 billion. Long lead times protect near-term revenue but raise the stakes if orders slow later.
Caterpillar's power business is benefiting from the data-center construction boom, and that success has created a new risk: investors are paying for demand that may need to remain exceptional for years.
Power-generation sales to end users rose 72% in the second quarter of 2026, according to management. Caterpillar said customers were not slowing orders and some were reserving equipment through 2030. The company's total backlog reached $72 billion at quarter-end, up sharply from a year earlier.
Long lead times give Caterpillar unusually good near-term visibility. Management expects to deliver 59% of the backlog over the next 12 months, while buyers of certain gas engines are looking at delivery dates in late 2028 and 2029. The company is restarting a 10-megawatt engine line and plans to return roughly 1.5 gigawatts of production capacity.
That visibility does not eliminate cycle risk. Data centers represent only part of the broader Power & Energy segment, which also serves oil, gas and other industrial customers. Even so, the fastest growth is tied to a concentrated class of projects whose economics depend on continuing AI investment, available power and customer financing.
Valuation makes the distinction important. The source placed Caterpillar at about 34 times earnings and 4.9 times sales, both above the broad market. When a stock carries that premium, slower future orders can affect the price well before current deliveries weaken.
There is also a timing mismatch. Contracts stretching to 2030 can support factories today, but capacity added for the boom remains in place if demand later normalizes. Investors therefore need to separate backlog coverage from the return Caterpillar earns on the capacity required to fill it.
The next report should show whether backlog is still expanding, how much Power & Energy growth comes from data centers, and whether margin improves as volumes rise. A stable or growing backlog would support the near-term outlook. A slowdown in new orders, even with strong current revenue, would be the earlier warning that the premium is becoming harder to defend.
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