<Page>
EXHIBIT 3.53
CERTIFICATE OF INCORPORATION
OF
GROVE WORLDWIDE INC.
FIRST: The name of the Corporation is Grove Worldwide, Inc.
(hereinafter the "Corporation").
SECOND: The address of the registered office of the Corporation in the
State of Delaware is 2711 Centerville Road, Suite 400, in the City of
Wilmington, County of New Castle. The name of its registered agent at that
address is Corporation Service Company.
THIRD: The purpose of the Corporation is to engage in any lawful act
or activity for which a corporation may be organized under the General
Corporation Law of the State of Delaware as set forth in Title 8 of the Delaware
Code (the "GCL").
FOURTH: The total number of shares of stock which the Corporation
shall have authority to issue is 1,000 shares of Common Stock, each having a par
value of one dollar ($1.00), and 1,000 shares of Preferred Stock, each having a
par value of one dollar ($1.00).
The Board of Directors is expressly authorized to provide for the
issuance of all or any shares of the Preferred Stock in one or more classes or
series, and to fix for each such class or series such voting powers, full or
limited, or no voting powers, and such distinctive designations, preferences and
relative, participating, optional or other special rights and such
qualifications, limitations or restrictions thereof, as shall be stated and
expressed in the resolution or resolutions adopted by the Board of Directors
providing for the issuance of such class or series and as may be permitted by
the GCL, including, without limitation, the authority to provide that any such
class or series may be (i) subject to redemption at such time or times and at
such price or prices; (ii) entitled to receive dividends (which may be
cumulative or non-cumulative) at such rates, on such conditions, and at such
times, and payable in preference to, or in such relation to, the dividends
<Page>
payable on any other class or classes or any other series; (iii) entitled to
such rights upon the dissolution of, or upon any distribution of the assets of,
the Corporation; or (iv) convertible into, or exchangeable for, shares of any
other class or classes of stock, or of any other series of the same or any other
class or classes of stock, of the Corporation at such price or prices or at such
rates of exchange and with such adjustments; all as may be stated in such
resolution or resolutions.
FIFTH: The name and mailing address of the Sole Incorporator is as
follows:
NAME ADDRESS
Mary E. Keogh P.O. Box 636
Wilmington, DE 19899
SIXTH: The following provisions are inserted for the management of the
business and the conduct of the affairs of the Corporation, and for further
definition, limitation and regulation of the powers of the Corporation and of
its directors and stockholders:
(1) The business and affairs of the Corporation shall be managed by or
under the direction of the Board of Directors.
(2) The directors shall have concurrent power with the stockholders to
make, alter, amend, change, add to or repeal the By-Laws of the
Corporation.
(3) The number of directors of the Corporation shall be as from time
to time fixed by, or in the manner provided in, the By-Laws of the
Corporation. Election of directors need not be by written ballot unless the
By-Laws so provide.
(4) No director shall be personally liable to the Corporation or any
of its stockholders for monetary damages for breach of fiduciary duty as a
director, except for liability (i) for any breach of the director's duty of
loyalty to the Corporation or its stockholders, (ii) for acts or omissions
not in good faith or
2
<Page>
which involve intentional misconduct or a knowing violation of law, (iii)
pursuant to Section 174 of the Delaware General Corporation Law or (iv) for
any transaction from which the director derived an improper personal
benefit. Any repeal or modification of this Article SIXTH by the
stockholders of the Corporation shall not adversely affect any right or
protection of a director of the Corporation existing at the time of such
repeal or modification with respect to acts or omissions occurring prior to
such repeal or modification.
(5) In addition to the powers and authority hereinbefore or by statute
expressly conferred upon them, the directors are hereby empowered to
exercise all such powers and do all such acts and things as may be
exercised or done by the Corporation, subject, nevertheless, to the
provisions of the GCL, this Certificate of Incorporation, and any By-Laws
adopted by the stockholders; provided, however, that no By-Laws hereafter
adopted by the stockholders shall invalidate any prior act of the directors
which would have been valid if such By-Laws had not been adopted.
SEVENTH: The Corporation shall indemnify its directors and officers to
the fullest extent authorized or permitted by law, as now or hereafter in
effect, and such right to indemnification shall continue as to a person who has
ceased to be a director or officer of the Corporation and shall inure to the
benefit of his or her heirs, executors and personal and legal representatives;
PROVIDED, HOWEVER, that, except for proceedings to enforce rights to
indemnification, the Corporation shall not be obligated to indemnify any
director or officer (or his or her heirs, executors or personal or legal
representatives) in connection with a proceeding (or part thereof) initiated by
such person unless such proceeding (or part thereof) was authorized or consented
to by the Board of Directors. The right to indemnification conferred by this
Article SEVENTH shall include the right to be paid by the Corporation the
expenses incurred in defending or otherwise participating in any proceeding in
advance of its final disposition.
3
<Page>
I, THE UNDERSIGNED, being the Sole Incorporator hereinbefore named,
for the purpose of forming a corporation pursuant to the GCL, do make this
Certificate, hereby declaring and certifying that this is my act and deed and
the facts herein stated are true, and accordingly have hereunto set my hand this
13th day of September, 2001.
/s/ Mary E. Keogh
------------------------------
Mary E. Keogh
Sole Incorporator
4