Exhibit 23.1

[Letterhead]

Deloitte & Touche LLP

111 S. Wacker Drive

Chicago, Illinois 60606

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Registration Statement on Form S-3 of our reports dated December 19, 2019, relating to the consolidated financial statements of Deere & Company and subsidiaries (the “Company”), and the effectiveness of the Company’s internal control over financial reporting, appearing in the Annual Report on Form 10-K of the Company for the year ended November 3, 2019. We also consent to the reference to us under the heading “Experts” in such Registration Statement.

/s/ DELOITTE & TOUCHE LLP

Chicago, Illinois

June 15, 2020