EXHIBIT 25.1 ================================================================================ FORM T-1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b)(2) [ ] ---------- THE BANK OF NEW YORK TRUST COMPANY, N.A. (Exact name of trustee as specified in its charter) 95-3571558 (State of incorporation (I.R.S. employer if not a U.S. national bank) identification no.) 700 South Flower Street Suite 500 Los Angeles, California 90017 (Address of principal executive offices) (Zip code) ---------- Altra Industrial Motion, Inc. (Exact name of obligor as specified in its charter) Delaware 30-0283143 (State or other jurisdiction of (I.R.S. employer incorporation or organization) identification no.) ADDITIONAL REGISTRANTS STATE OR OTHER JURISDICTION OF INCORPORATION EXACT NAME OF REGISTRANT OR I.R.S. EMPLOYER AS SPECIFIED IN ITS CHARTER ORGANIZATION IDENTIFICATION NO. --------------------------- ------------- ------------------ American Enterprises MPT Corp. Delaware 52-2005169 American Enterprises MPT Holdings, LLC Delaware 52-2005171 Ameridrives International, LLC Delaware 52-1826102 Boston Gear LLC Delaware 11-3723980 Formsprag LLC Delaware 01-0712538 Inertia Dynamics, LLC Delaware 20-4221420 Kilian Manufacturing Corporation Delaware 06-0933715 Nuttall Gear L L C Delaware 54-1856788 TB Wood's Incorporated Pennsylvania 23-1232420 Plant Engineering Consultants, LLC Tennessee 62-1230818 TB Wood's Corporation Delaware 25-1771145 TB Wood's Enterprises, Inc. Delaware 51-0393505 Warner Electric LLC Delaware 54-1967089 Warner Electric Technology LLC Delaware 54-1967084 Warner Electric International Holding, Inc. Delaware 54-1967086 14 Hayward Street Quincy, Massachusetts 02171 (Address of principal executive offices) (Zip code) ---------- 9% Senior Secured Notes due 2011 (Title of the indenture securities) ================================================================================ -2- 1. GENERAL INFORMATION. FURNISH THE FOLLOWING INFORMATION AS TO THE TRUSTEE: (A) NAME AND ADDRESS OF EACH EXAMINING OR SUPERVISING AUTHORITY TO WHICH IT IS SUBJECT. Name Address ---- ------------------------------- Comptroller of the Currency United States Department of the Treasury Washington, D.C. 20219 Federal Reserve Bank San Francisco, California 94105 Federal Deposit Insurance Corporation Washington, D.C. 20429 (B) WHETHER IT IS AUTHORIZED TO EXERCISE CORPORATE TRUST POWERS. Yes. 2. AFFILIATIONS WITH OBLIGOR. IF THE OBLIGOR IS AN AFFILIATE OF THE TRUSTEE, DESCRIBE EACH SUCH AFFILIATION. None. 16. LIST OF EXHIBITS. EXHIBITS IDENTIFIED IN PARENTHESES BELOW, ON FILE WITH THE COMMISSION, ARE INCORPORATED HEREIN BY REFERENCE AS AN EXHIBIT HERETO, PURSUANT TO RULE 7A-29 UNDER THE TRUST INDENTURE ACT OF 1939 (THE "ACT") AND 17 C.F.R. 229.10(D). 1. A copy of the articles of association of The Bank of New York Trust Company, N.A. (Exhibit 1 to Form T-1 filed with Registration Statement No. 333-121948). 2. A copy of certificate of authority of the trustee to commence business. (Exhibit 2 to Form T-1 filed with Registration Statement No. 333-121948). 3. A copy of the authorization of the trustee to exercise corporate trust powers. (Exhibit 3 to Form T-1 filed with Registration Statement No. 333-121948). 4. A copy of the existing by-laws of the trustee. (Exhibit 4 to Form T-1 filed with Registration Statement No. 333-121948). -3- 6. The consent of the trustee required by Section 321(b) of the Act. (Exhibit 6 to Form T-1 filed with Registration Statement No. 333-121948). 7. A copy of the latest report of condition of the Trustee published pursuant to law or to the requirements of its supervising or examining authority. -4- SIGNATURE Pursuant to the requirements of the Act, the trustee, The Bank of New York Trust Company, N.A., a banking association organized and existing under the laws of the United States of America, has duly caused this statement of eligibility to be signed on its behalf by the undersigned, thereunto duly authorized, all in The City of Los Angeles, and State of California, on the 1st day of May, 2007. THE BANK OF NEW YORK TRUST COMPANY, N.A. By: /S/ MELONEE YOUNG ------------------------------------ Name: MELONEE YOUNG Title: VICE PRESIDENT -5- EXHIBIT 7 Consolidated Report of Condition of THE BANK OF NEW YORK TRUST COMPANY, N.A. of 700 South Flower Street, Suite 200, Los Angeles, CA 90017 At the close of business December 31, 2006, published in accordance with Federal regulatory authority instructions. Dollar Amounts in Thousands ---------- ASSETS Cash and balances due from depository institutions: Noninterest-bearing balances and currency and coin .......................... 10,020 Interest-bearing balances ......................... 0 Securities: Held-to-maturity securities ....................... 56 Available-for-sale securities ..................... 64,801 Federal funds sold and securities purchased under agreements to resell: Federal funds sold ................................ 49,900 Securities purchased under agreements to resell ... 40,000 Loans and lease financing receivables: Loans and leases held for sale .................... 0 Loans and leases, net of unearned income ......................... 0 LESS: Allowance for loan and lease losses ................................... 0 Loans and leases, net of unearned income and allowance ........................... 0 Trading assets ....................................... 0 Premises and fixed assets (including capitalized leases) ............................... 5,051 Other real estate owned .............................. 0 Investments in unconsolidated subsidiaries and associated companies ......................................... 0 Not applicable Intangible assets: Goodwill .......................................... 889,415 Other Intangible Assets ........................... 277,086 Other assets ......................................... 113,348 ---------- Total assets ......................................... $1,449,677 ========== 1 LIABILITIES Deposits: In domestic offices ............................... 2,517 Noninterest-bearing ............................... 2,517 Interest-bearing .................................. 0 Not applicable Federal funds purchased and securities sold under agreements to repurchase: Federal funds purchased ........................... 0 Securities sold under agreements to repurchase .... 0 Trading liabilities .................................. 0 Other borrowed money: (includes mortgage indebtedness and obligations under capitalized leases) ........................................... 58,000 Not applicable Not applicable Subordinated notes and debentures .................... 0 Other liabilities .................................... 127,233 Total liabilities .................................... 187,750 Minority interest in consolidated subsidiaries ....... 0 EQUITY CAPITAL Perpetual preferred stock and related surplus ........ 0 Common stock ......................................... 1,000 Surplus (exclude all surplus related to preferred stock) ............................................ 1,121,520 Retained earnings .................................... 139,524 Accumulated other comprehensive income ............... -117 Other equity capital components ...................... 0 Total equity capital ................................. 1,261,927 ---------- Total liabilities, minority interest, and equity capital (sum of items 21, 22, and 28) ............. 1,449,677 ========== I, William J. Winkelmann, Vice President of the above-named bank do hereby declare that the Reports of Condition and Income (including the supporting schedules) for this report date have been prepared in conformance with the instructions issued by the appropriate Federal regulatory authority and are true to the best of my knowledge and belief. William J. Winkelmann ) Vice President We, the undersigned directors (trustees), attest to the correctness of the Report of Condition (including the supporting schedules) for this report date and declare that it has been examined by us and to the best of our knowledge and belief has been prepared in conformance with the instructions issued by the appropriate Federal regulatory authority and is true and correct. Michael K. Klugman, President ) Michael F. McFadden, MD ) Directors (Trustees) Frank P. Sulzberger, Vice President ) 2