EXHIBIT 31.1
 RULE 13a-14(a)/15d-14(a) CERTIFICATION
 I, Edward J. Shoen, certify that:
 1.I have reviewed this quarterly report on Form 10-Q of AMERCO and U-Haul International, Inc.;
 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;
 
 3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;
 
 4. The registrants other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) for the registrant and have:
 
 (a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;
 
 (b) Evaluated the effectiveness of the registrants disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and
 
 (c) Disclosed in this report any change in the registrants internal control over financial reporting that occurred during the registrants most recent fiscal quarter (the registrants fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrants internal control over financial reporting; and
 
 5. The registrants other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrants auditors and the audit committee of the registrants board of directors (or persons performing the equivalent functions):
 
 (a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrants ability to record, process, summarize and report financial information; and
 
 (b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrants internal control over financial reporting.
 
 /s/ Edward J. Shoen
 Edward J. Shoen
 President and Chairman of the
 Board of AMERCO and U-Haul
 International, Inc.
 
 Date: August 6, 2004
  EXHIBIT 31.2
 RULE 13a-14(a)/15d-14(a) CERTIFICATION
 I, Jack A. Peterson, certify that:
 1. I have reviewed this quarterly report on Form 10-Q of AMERCO and U-Haul International, Inc.;
 
 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;
 
 3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;
 
 4. The registrants other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) for the registrant and have:
 
 (a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;
 
 (b) Evaluated the effectiveness of the registrants disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and
 
 (c) Disclosed in this report any change in the registrants internal control over financial reporting that occurred during the registrants most recent fiscal quarter (the registrants fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrants internal control over financial reporting; and
 
 5. The registrants other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrants auditors and the audit committee of the registrants board of directors (or persons performing the equivalent functions):
 
 (a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrants ability to record, process, summarize and report financial information; and
 
 (b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrants internal control over financial reporting.
 
 /s/ Jack A. Peterson
 Jack A. Peterson
 Chief Financial Officer of AMERCO and
 U-Haul International, Inc.
 
 Date: August 6, 2004
  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 Quarterly Report of AMERCO and U-Haul International, Inc. (together, the "Registrant") on Form 10-Q for the period ending June 30, 2004, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Edward J. Shoen, President and Chairman of the Board of AMERCO and U-Haul International, Inc. certify, to the best of my knowledge, 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 Registrant.
 
 
 AMERCO,
 a Nevada corporation
 
 /s/ Edward J. Shoen
 Edward J. Shoen
 President and Chairman of the Board
 
 Date: August 6, 2004
 
 U-HAUL INTERNATIONAL, INC.,
 a Nevada corporation
 
 /s/ Edward J. Shoen
 Edward J. Shoen
 President and Chairman of the Board
 
 Date: August 6, 2004
   EXHIBIT 32.2
 
 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 Quarterly Report of AMERCO and U-Haul International, Inc. (together, the "Registrant") on Form 10-Q for the period ending June 30, 2004, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Jack A. Peterson, Chief Financial Officer of AMERCO and U-Haul International, Inc. certify, to the best of my knowledge, 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 Registrant.
 
 
 AMERCO,
 a Nevada corporation
 
 /s/ Jack A. Peterson
 Jack A. Peterson
 Chief Financial Officer
 
 Date: August 6, 2004
 
 U-HAUL INTERNATIONAL, INC.,
 a Nevada corporation
 
 /s/ Jack A. Peterson
 Jack A. Peterson
 Chief Financial Officer
 
 Date: August 6, 2004