EXHIBIT 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Form 10-K for the year ended March 31, 2007 of AMERCO and U-Haul International, Inc. (together, the “Company”), as filed with the Securities and Exchange Commission on June 6, 2007 (the “Report”), I, Edward J. Shoen, Chairman of the Board and President of the Company, certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1)   The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and  

(2)   The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.  

   AMERCO,

   a Nevada corporation

/s/ Edward J. Shoen

   Edward J. Shoen

   President and Chairman of the Board

Date: June 6, 2007

   U-HAUL INTERNATIONAL, INC.,

   a Nevada corporation

/s/ Edward J. Shoen

   Edward J. Shoen

   Chief Executive Officer

   and Chairman of the Board

Date: June 6, 2007