SEC File Number 001-09789 <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />
 CUSIP Number 878293109
<?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" />Washington, D.C. 20549
FORM 12b-25
(Check One):  [   ] Form 10-K            [   ] Form 20-F   [   ] Form 11-K         [X] Form 10-Q     [   ] Form 10D
[   ] Form N-SAR        [   ] Form N-CSAR
For Period Ended:    March 29, 2008
[_]  Transition Report on Form 10-K
[_]  Transition Report on Form 20-F
[_]  Transition Report on Form 11-K
[_]  Transition Report on Form 10-Q
[_]  Transition Report on Form N-SAR
For the Transition Period Ended:                                                      
Read Instruction (on back page) Before Preparing Form.  Please Print or Type.
Nothing in this form shall be construed to imply that the Commission has verified any information contained herein.
If the notification relates to a portion of the filing checked above, identify the Item(s) to which the notification relates:                            
Tech/Ops Sevcon, Inc.                                                                                                                                                                      
Full Name of Registrant
Former Name if Applicable
155 Northboro Road                                                                                                                                                                          
Address of Principal Executive Office (Street and Number)
Southborough , Massachusetts, 01772                                                                                                                                            
City, State and Zip Code
PART II – RULES 12b-25(b) AND (c)
If the subject report could not be filed without unreasonable effort or expense and the registrant seeks relief pursuant to Rule 12b-25(b), the following should be completed. (Check box if appropriate)
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(a)       The reasons described in reasonable detail in Part III of this form could not be eliminated without unreasonable effort or expense;
(b)       The subject annual report, semi-annual report, transition report on Form 10-K, Form 20-F, 11-K, or Form N-SAR, or portion thereof, will be filed on or before the fifteenth calendar day following the prescribed due date; or the subject quarterly report or transition report on Form 10-Q, or portion thereof, will be filed on or before the fifth calendar day following the prescribed due date; and
(c)       The accountant's statement or other exhibit required by Rule 12b-25(c) has been attached if applicable.
State below in reasonable detail why Forms 10-K, 20-F, 11-K, 10-Q, 10-D, N-SAR, N-CSR, or the transition report or portion thereof, could not be filed within the prescribed time period.  (Attach extra sheets if needed)
The financial statement impact of certain corporate actions could not be determined by the due date of the Form 10-Q without unreasonable effort or expense.
(1)  Name and telephone number of person to contact in regard to this notification
         Paul N. Farquhar                                      (508) 281-5510                      
  (Name)                                                (Area Code) (Telephone Number)
(2)  Have all other periodic reports required under Section 13 or 15(d) of the Securities Exchange Act of 1934 or Section 30 of the Investment Company Act of 1940 during the preceding 12 months or for such shorter period that the registrant was required to file such report(s) been filed?  If the answer is no, identify report(s).        [X] Yes [   ] No
(3)  Is it anticipated that any significant change in results of operations from the corresponding period for the last fiscal year will be reflected by the earnings statements to be included in the subject report or portion thereof?
[   ] Yes  [X] No
If so, attach an explanation of the anticipated change, both narratively and quantitatively, and, if appropriate, state the reasons why a reasonable estimate of the results cannot be made.
                                                    Tech/Ops Sevcon, Inc.                                                   
                                                                   (Name of Registrant as Specified in Charter)
has caused this notification to be signed on its behalf by the undersigned hereunto duly authorized.
Date:  May 13, 2008                                                          By:         /s/ Paul N. Farquhar                                           
Name:    Paul N. Farquhar
Title:       Chief Financial Officer
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