EXHIBIT 24.0 POWER OF ATTORNEY Know all men by these presents, that each person whose signature appears below, hereby constitutes and appoints Andrew H. Beck and Stephen D. Lupton his true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for him and in his name, place and stead, in any and all capacities, to sign the annual report on Form 10-K of AGCO Corporation for the fiscal year ended December 31, 2004 and any or all amendments or supplements thereto, and to file the same with all exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents full power and authority to do and perform each and every act and thing necessary or appropriate to be done with respect to the Form 10-K or any amendments or supplements thereto in and about the premises, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents or his substitute or substitutes, may lawfully do or cause to be done by virtue hereof. Date: January 19, 2005 ---------------- /s/ P. George Benson /s/ Curtis E. Moll - ------------------------------- --------------------------------- P. George Benson Curtis E. Moll /s/ W. Wayne Booker /s/ David E. Momot - ------------------------------- --------------------------------- W. Wayne Booker David E. Momot /s/ Herman Cain /s/ Robert J. Ratliff - ------------------------------- --------------------------------- Herman Cain Robert J. Ratliff /s/ Henry J. Claycamp /s/ Martin Richenhagen - ------------------------------- --------------------------------- Henry J. Claycamp Martin Richenhagen /s/ Wolfgang Deml /s/ Wolfgang Sauer - ------------------------------- --------------------------------- Wolfgang Deml Wolfgang Sauer /s/ Gerald B. Johanneson /s/ Hendrikus Visser - ------------------------------- --------------------------------- Gerald B. Johanneson Hendrikus Visser /s/ Anthony Loehnis - ------------------------------- Anthony Loehnis