CERTIFICATION


Pursuant To Section 906 of the Sarbanes-Oxley Act of 2002
(subsections (a) and (b) of section 1350, chapter 63 of title
18,United States Code), each of the undersigned officers of
Prime Cash Fund, do hereby certify to such officer's knowledge,
that:

The report on Form N-CSR of Capital Cash Management Trust for the
period ended December 31, 2006, (the "Form N-CSR") fully complies with
the requirements of section 13(a) or 15(d) of the Securities Exchange
Act of 1934 and information contained in the Form N-CSR fairly
presents, in all material respects, the financial condition and
results of operations of Capital Cash Management Trust.

Dated: March 9, 2007				/s/  Lacy B. Herrmann
						-------------------------------
						Lacy B. Herrmann
						Chairman of the Board of Trustees
						Capital Cash Management Trust

Dated:  March 9, 2007				/s/  Diana P. Herrmann
						----------------------------------
						President
						Capital Cash Management Trust

Dated:  March 9, 2007				/s/  Joseph P. DiMaggio
						----------------------------------
       						Chief Financial Officer and
   						Treasurer
						Capital Cash Management Trust

A signed original of this written statement required by Section 906,
or other document authenticating, acknowledging, or otherwise adopting
the signature that appears in typed form within the electronic version
of this written statement required by Section 906, has been provided to
Prime Cash Fund and will be retained by Capital Cash Management Trust
and furnished to the Securities and Exchange Commission or its staff
upon request.

This certification is being furnished solely pursuant to 18 U.S.C.
ss. 1350 and is not being filed as part of the Report or as a separate
disclosure document.