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Caterpillar beat Q3 2026 forecasts with $7.20 adjusted EPS and a record $78.1B backlog, yet shares tumbled as tariff costs and an unchanged outlook weighed.
- Adjusted EPS of $7.20 rose 45% year on year; revenue climbed 17% to $20.7B.
- Backlog reached a record $78.1B, up roughly 96% from a year earlier.
- Shares fell 9-10% at the worst of Thursday's session on tariffs and an unchanged outlook.
Lead
Caterpillar Inc. (NYSE: CAT) shares fell as much as 9-10% on Thursday, October 29, after the heavy-equipment maker reported third-quarter 2026 results that beat expectations but left its full-year sales forecast unchanged and flagged heavy tariff costs. The stock pared part of the drop and closed near $661.54, down about 7%, a sharp move for a heavyweight in the dow industrials average.What Did Caterpillar Report for Q3 2026?
Caterpillar reported sales and revenues of $20.7B, up 17% from $17.6B in the third quarter of 2025, with adjusted profit per share of $7.20. Higher sales volume added $2.2B and favorable price realization contributed $663M.
Adjusted operating margin reached 20.6%, against 17.5% a year earlier. Backlog hit a record $78.1B, an increase of about $38B from the prior-year quarter. It was the fourth straight quarter of sequential backlog growth in all three primary segments.
Power & Energy was the standout. Segment revenue rose 18% to $8.78B and segment profit climbed 31% to $2.14B, while retail sales in the unit grew 36%. Demand for on-site electricity generation, driven partly by the power needs of AI data centers, has become a central pillar of the company's growth story.Why Did Caterpillar Shares Fall After the Beat?
Shares fell because the quarter's strength was already priced in, while tariffs and an unchanged forecast pointed to margin pressure ahead. Caterpillar absorbed about $600M in tariff costs in the third quarter, excluding $128M in recoveries tied to International Emergency Economic Powers Act (IEEPA) tariffs.
The company expects another $600M in the fourth quarter, bringing full-year 2026 tariff costs to roughly $2.2B before IEEPA recoveries. It also kept its forecast for sales growth in the mid-to-high teens and said adjusted operating margin should land near the bottom of its target range. Investors had positioned for a raise after a record order intake, so holding the range read as a ceiling on near-term upside.
The reaction also reflected the stock's run into the report. Shares had already slipped about 10% over the preceding month, and expectations for the print were high given the pace of orders.
How Do Tariffs Affect Caterpillar's Margins?
Tariffs are the main drag between record demand and reported profitability. At about $2.2B for the year, the cost is large enough to offset much of the benefit from pricing and volume, and it explains why a 20.6% adjusted operating margin in the quarter did not translate into a higher full-year margin outlook.
Caterpillar has relied on price increases to offset input costs, and the $663M of favorable price realization in the quarter shows that strategy at work. The open question is how long customers will accept higher prices on machinery and engines, and whether any further IEEPA-related recoveries emerge to ease the burden.
Strategic Context
The backlog changes the risk profile of the business. A $78.1B order book, nearly double the level of a year ago, gives the company multi-quarter visibility, particularly in power generation, where lead times for turbines, engines and gensets are long. That visibility supports production planning and capital allocation even as construction and mining demand follows its usual cycles.
At the same time, a larger backlog raises delivery and execution expectations. Converting orders into shipments at the pace implied by current demand depends on supply chains, labor and factory capacity, all of which are exposed to tariff-driven cost swings.
What Comes Next for Caterpillar Stock?
The next test is the fourth-quarter report and the company's 2027 outlook. Key variables are whether tariff costs hold near $600M a quarter, whether price realization continues to offset them, and whether Power & Energy growth sustains its current trajectory. A full-year margin near the low end of the target range sets a modest bar for the final quarter, while any rise in backlog beyond $78.1B would reinforce the demand case.
Outlook
Caterpillar delivered a clear operational beat: 17% revenue growth, a 45% rise in adjusted EPS and a record backlog driven by AI-linked power demand. The market focused instead on roughly $2.2B of annual tariff costs and an unchanged full-year forecast. Near-term share performance will hinge on margin delivery and tariff developments, while the order book underpins the longer-term revenue outlook.
Mentioned tickers: CAT
