Exhibit 32.2

            Certification of CFO 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 on Form 10-Q of  Trimble  Navigation
Limited (the  "Company")  for the quarterly  period ended April 1, 2005 as filed
with the Securities and Exchange  Commission on the date hereof (the  "Report"),
Rajat  Bahri,  as Chief  Financial  Officer of the  Company,  hereby  certifies,
pursuant  to 18  U.S.C.  ss.  1350,  as  adopted  pursuant  to  ss.  906  of the
Sarbanes-Oxley Act of 2002, to the best of his 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
Company.



                                 /s/ Rajat Bahri
                                 ---------------
                                 Name: Rajat Bahri
                                 Title: Chief Financial Officer
                                 Dated: May 10, 2005