January 28, 1994

Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, DC  20549

RE: Putnam Managed Income Trust (Reg. No. 2-96309) (811-4242)
    (the "Fund") Post-Effective Amendment No. 10 to Registration
    Statement on Form N-1A

Ladies and Gentlemen:

    We are filing today through the EDGAR system Post-Effective
Amendment No. 10 to the Fund's Registration Statement on Form N-
1A.  The Amendment has been electronically coded to show changes
from the Prospectus dated  March 1, 1993, as revised August 1,
1993, filed with the Commission on August 4, 1993 and the
Statement of Additional Information dated March 1, 1993, filed
with the Commission on March 5, 1993.

    The Amendment includes updated financial statements and uses
standardized Putnam disclosure, as appropriate.

    The Amendment also registers additional shares of the Fund
pursuant to Rule 24e-2, and the filing fee of $100 has been wire
transferred to the Commission's lockbox at Mellon Bank, SEC
Filing Fee Account Number 0000764110.

    The Amendment is filed pursuant to Rule 485(b) to become
effective automatically on February 1, 1994.  Pursuant to Rule
485(e) under the Act, I represent that the Amendment does not
contain any disclosures which would render it ineligible to
become effective under Rule 485(b).  Comments or questions
concerning the Amendment may be directed to me at 1-800-225-2465,
Ext. 1105.

                                  Very truly yours,


                                  Karen R. Kay
                                  Senior Vice President and
                                       Assistant General Counsel
                                  Putnam Investments, Inc.

cc: Bryan Chegwidden, Esq.