Certification Required By Section 906 of the Act


                             CERTIFICATION


We, Mark R. Fetting and Marie K. Karpinski, of the Legg Mason Cash Reserve Trust
("Trust"), certify, pursuant to 18 U.S.C. Section 1350 enacted under Section 906
of the Sarbanes-Oxley Act of 2002, that to my knowledge:

1. The Trust's  periodic  report on Form N-CSR for the period  ended  August 31,
2003 fully complies with the  requirements  of Section 13(a) or Section 15(d) of
the Securities Exchange Act of 1934 (15 U.S.C. Section 78m(a) or 78o(d)); and

2. The information contained in such Form N-CSR fairly presents, in all material
respects, the financial condition and results of operations of the Trust.




/s/ Mark R. Fetting                                           10/21/03
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Mark R. Fetting
Chief Executive Officer




/s/ Marie K. Karpinski                                        10/21/03
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Marie K. Karpinski
Chief Financial Officer