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EXHIBIT 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of Caterpillar Inc. of our report dated February 14, 2025 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in Caterpillar Inc.'s Annual Report on Form 10-K for the year ended December 31, 2024.

/s/PricewaterhouseCooper LLP
Dallas, Texas
December 11, 2025

Caterpillar: Confidential Green