Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the use in this Amendment No. 2 to Registration Statement No. 333-230840 of our report dated March 22, 2019 relating to the consolidated financial statements of Mayville Engineering Company, Inc. and Subsidiaries appearing in the Prospectus, which is part of such Registration Statement, and to the reference to us under the heading “Experts” in such Prospectus.

 

/s/ DELOITTE & TOUCHE LLP

Milwaukee, Wisconsin

May 3, 2019