Exhibit 12(b)(1)

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

I, Marc O. Mayer, President of ACM Managed Dollar Income Fund, Inc., certify
that:

1.  I have reviewed this report on Form N-CSR of ACM Managed Dollar Income
Fund, 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, changes in net assets, and cash
flows (if the financial statements are required to include a statement of cash
flows) of the registrant as of, and for, the periods presented in this report;

4.  The registrant's other certifying officers and I are responsible for
establishing and maintaining disclosure controls and procedures (as defined in
Rule 30a-3(c) under the Investment Company Act of 1940) and internal control
over financial reporting (as defined in Rule 30a-3(d) under the Investment
Company Act of 1940) for the registrant and have:

a)  designed such disclosure controls and procedures 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)  designed such internal control over financial reporting to provide
reasonable assurance regarding the reliability of financial reporting and the
preparation of financial statements for external purposes in accordance with
generally accepted accounting principles;

c)  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 a date within 90 days prior to
the filing date of this report based on such evaluation; and

d)  disclosed in this report any change in the registrant's internal control
over financial reporting that occurred during the second fiscal quarter of the
period covered by this 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 officers and I have disclosed 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.

Date:  May 30, 2007

                                     /s/ Marc O. Mayer
                                     -----------------
                                     Marc O. Mayer
                                     President

Exhibit 12(b)(2)

CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER

I, Joseph J. Mantineo, Treasurer and Chief Financial Officer of ACM Managed
Dollar Income Fund, Inc., certify that:

1.  I have reviewed this report on Form N-CSR of ACM Managed Dollar Income
Fund, 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, changes in net assets, and cash
flows (if the financial statements are required to include a statement of cash
flows) of the registrant as of, and for, the periods presented in this report;

4.  The registrant's other certifying officers and I are responsible for
establishing and maintaining disclosure controls and procedures (as defined in
Rule 30a-3(c) under the Investment Company Act of 1940) and internal control
over financial reporting (as defined in Rule 30a-3(d) under the Investment
Company Act of 1940) for the registrant and have:

a)  designed such disclosure controls and procedures 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)  designed such internal control over financial reporting to provide
reasonable assurance regarding the reliability of financial reporting and the
preparation of financial statements for external purposes in accordance with
generally accepted accounting principles;

c)  evaluated the effectiveness of the registrant's disclosure controls and
procedures presented in this report our conclusions about the effectiveness of
the disclosure controls and procedures, as of a date within 90 days prior to
the filing date of this report based on such evaluation; and

d)  disclosed in this report any change in the registrant's internal control
over financial reporting that occurred during the second fiscal quarter of the
period covered by this 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 officers and I have disclosed 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.

Date: May 30, 2007

                                     /s/ Joseph J. Mantineo
                                     ----------------------
                                     Joseph J. Mantineo
                                     Treasurer and Chief Financial Officer