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Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-128342) of Caterpillar Inc. of our report dated June 25, 2026 relating to the financial statements and supplemental schedule of Caterpillar Inc. Tax Deferred Retirement Plan, which appears in this Form 11-K.
/s/ PricewaterhouseCoopers LLP
Dallas, Texas
June 25, 2026