Exhibit 23

[Letterhead]

Deloitte & Touche LLP

Two Prudential Plaza

180 North Stetson Avenue

Chicago, Illinois 60601

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement Nos. 2-62630, 2-76637, 2-90384, 33-15949, 33-17990, 33-24397, 33-44294, 33-49740, 33-49742, 33-49762, 33-55551, 33-55549, 33-57897, 333-01477, 333-62665, 333-62669, 333-46790, and 333-103757 of Deere & Company and subsidiaries (“Deere & Company”) on Form S-8 and in Registration Statement No. 333-92134 of Deere & Company on Form S-3 of our report dated December 17, 2004 (which report on the consolidated financial statements expresses an unqualified opinion and includes an explanatory paragraph related to a change in the method of accounting for goodwill and other intangible assets to conform to Statement of Financial Accounting Standards No. 142, Goodwill and Other Intangible Assets, effective November 1, 2002), appearing in the Annual Report on Form 10-K of Deere & Company for the year ended October 31, 2004, and to the reference to us under the heading “Experts” in the Prospectuses, which are part of such Registration Statements.

DELOITTE & TOUCHE LLP

Chicago, Illinois

December 17, 2004