Exhibit 23(a) Consent of Independent Public Accountants As independent public accountants, we hereby consent to the incorporation by reference in this registration statement of our reports dated January 25, 1996 [(except with respect to the matters discussed in Note 20, as to which the date is February 16, 1996)] included in Case Corporation's Form 10-K for the year ended December 31, 1995 and to all references to our firm included in this registration statement. ARTHUR ANDERSEN LLP Milwaukee, Wisconsin May 28, 1996