Key Takeaways Caterpillar's Q3 earnings are expected to fall 12.6% year over year on higher costs.Revenues are projected to rise 3.98% to $16.75 billion, supported by segment volume gains.Tariffs may have lifted costs by up to$600 million, pressuring operating margins to 15.8%.Caterpillar Inc. (CAT) is anticipated to report lower year-over-year earnings despite modest revenue growth when it releases third-quarter 2025 results on Oct. 29, before the opening bell. While we expect each of its segments to post ...