<Page>
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) |__|
---------------------------
BNY MIDWEST TRUST COMPANY
(formerly known as CTC Illinois Trust Company)
(Exact name of trustee as specified in its charter)
Illinois 36-3800435
(State of incorporation (I.R.S. employer
if not a U.S. national bank) identification no.)
2 N. LaSalle Street
Suite 1020
Chicago, Illinois 60602
(Address of principal executive offices) (Zip code)
---------------------------
CUMMINS INC.
(Exact name of obligor as specified in its charter)
Indiana 35-0257090
(State or other jurisdiction of (I.R.S. employer
incorporation or organization) identification no.)
500 Jackson Street
Box 3005
Columbus, Indiana 47202-3005
(Address of principal executive offices) (Zip code)
---------------------------
9-1/2% Senior Notes due 2010
(Title of the indenture securities)
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
<Page>
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.
<Table>
<Caption>
- ---------------------------------------------------------------- --------------------------------------------
Name Address
- ---------------------------------------------------------------- --------------------------------------------
Office of Banks & Trust Companies of the State 500 E. Monroe Street
of Illinois Springfield, Illinois 62701-1532
Federal Reserve Bank of Chicago 230 S. LaSalle Street
Chicago, Illinois 60603
</Table>
(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.
1. A copy of Articles of Incorporation of BNY Midwest Trust Company
(formerly CTC Illinois Trust Company, formerly Continental Trust
Company) as now in effect. (Exhibit 1 to Form T-1 filed with the
Registration Statement No. 333-47688.)
2,3. A copy of the Certificate of Authority of the Trustee as now in
effect, which contains the authority to commence business and a
grant of powers to exercise corporate trust powers. (Exhibit 2
to Form T-1 filed with the Registration Statement No.
333-47688.)
4. A copy of the existing By-laws of the Trustee. (Exhibit 4 to
Form T-1 filed with the Registration Statement No. 333-47688.)
6. The consent of the Trustee required by Section 321(b) of the
Act. (Exhibit 6 to Form T-1 filed with the Registration
Statement No. 333-47688.)
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.
2
<Page>
SIGNATURE
Pursuant to the requirements of the Act, the Trustee, BNY Midwest Trust
Company, a corporation organized and existing under the laws of the State of
Illinois, has duly caused this statement of eligibility to be signed on its
behalf by the undersigned, thereunto duly authorized, all in The City of
Chicago, and State of Illinois, on the 12th day of September, 2003.
BNY Midwest Trust Company
By: /S/ D. DONOVAN
-----------------------------------------
Name: D. DONOVAN
Title: ASSISTANT VICE PRESIDENT