EX-10.42



 Exhibit 10.42 

ALLISON TRANSMISSION HOLDINGS, INC. 

2015 EQUITY INCENTIVE AWARD PLAN 

RESTRICTED STOCK UNIT GRANT NOTICE 

Allison Transmission Holdings, Inc., a Delaware corporation (the “Company”), pursuant to its 2015 Equity Incentive Award
Plan, as amended from time to time (the “Plan”), hereby grants to the holder listed below (“Participant”) the number of Restricted Stock Units (the “RSUs”) set forth below. The RSUs are subject to
the terms and conditions set forth in this Restricted Stock Unit Grant Notice (the “Grant Notice”) and the Restricted Stock Unit Agreement attached hereto as Exhibit A (the “Agreement”) and the Plan, which
are incorporated herein by reference. Unless otherwise defined herein, the terms defined in the Plan shall have the same defined meanings in the Grant Notice and the Agreement. 

 

			
	Participant:	  	
		
	Grant Date:	  	
		
	Number of RSUs:	  	
		
	Type of Shares Issuable:	  	Common Stock of Allison Transmission Holdings, Inc.
		
	Vesting Schedule:	  	[To be specified in individual agreements]

 By his or her signature, and the Company’s signature below, Participant agrees to be bound by the terms
and conditions of the Plan, the Agreement and the Grant Notice. Participant has reviewed the Agreement, the Plan and the Grant Notice in their entirety, has had an opportunity to obtain the advice of counsel prior to executing the Grant Notice and
fully understands all provisions of the Grant Notice, the Agreement and the Plan. Participant hereby agrees to accept as binding, conclusive and final all decisions or interpretations of the Administrator upon any questions arising under the Plan,
the Grant Notice or the Agreement. 
  

									
	ALLISON TRANSMISSION HOLDINGS, INC.	 		 	PARTICIPANT
					
	By:	 	  
	 		 	By:	 	  

	Print Name:	 	  
	 		 	Print Name:	 	  

	Title:	 	  
	 		 		 	
		 		 		 	Address:	 	  

		 		 		 		 	  









 EXHIBIT A 

TO RESTRICTED STOCK UNIT GRANT NOTICE 

RESTRICTED STOCK UNIT AGREEMENT 

Pursuant to the Grant Notice to which this Agreement is attached, the Company has granted to Participant the number of RSUs set forth in the
Grant Notice. 
 ARTICLE I. 

GENERAL 
 1.1 Defined
Terms. Capitalized terms not specifically defined herein shall have the meanings specified in the Plan or the Grant Notice. 
 1.2
Incorporation of Terms of Plan. The RSUs and the shares of Common Stock (“Stock”) issued to Participant hereunder (“Shares”) are subject to the terms and conditions set forth in this Agreement and the Plan,
which is incorporated herein by reference. In the event of any inconsistency between the Plan and this Agreement, the terms of the Plan shall control. 

ARTICLE II. 
 AWARD OF
RESTRICTED STOCK UNITS AND DIVIDEND EQUIVALENTS 
 2.1 Award of RSUs and Dividend Equivalents. 

(a) In consideration of Participant’s past and/or continued employment with or service to the Company or a Subsidiary and for other good
and valuable consideration, effective as of the grant date set forth in the Grant Notice (the “Grant Date”), the Company has granted to Participant the number of RSUs set forth in the Grant Notice, upon the terms and conditions set
forth in the Grant Notice, the Plan and this Agreement, subject to adjustments as provided in Section 12.2 of the Plan. Each RSU represents the right to receive one Share or, at the option of the Company, an amount of cash as set forth in
Section 2.3(b), in either case, at the times and subject to the conditions set forth herein. However, unless and until the RSUs have vested, Participant will have no right to the payment of any Shares subject thereto. Prior to the actual
delivery of any Shares, the RSUs will represent an unsecured obligation of the Company, payable only from the general assets of the Company. 

(b) The Company hereby grants to Participant an Award of Dividend Equivalents with respect to each RSU granted pursuant to the Grant Notice
for all ordinary cash dividends which are paid to all or substantially all holders of the outstanding shares of Stock between the Grant Date and the date when the applicable RSU is distributed or paid to Participant or is forfeited or expires. The
Dividend Equivalents for each RSU shall be equal to the amount of cash which is paid as a dividend on one share of Stock. All such Dividend Equivalents shall be credited to Participant and be deemed to be reinvested in additional RSUs as of the date
of payment of any such dividend based on the Fair Market Value of a share of Stock on such date. Each additional RSU which results from such deemed reinvestment of Dividend Equivalents granted hereunder shall be subject to the same vesting,
distribution or payment, adjustment and other provisions which apply to the underlying RSU to which such additional RSU relates. 

  
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 2.2 Vesting of RSUs and Dividend Equivalents. 

(a) Subject to Participant’s continued employment with or service to the Company or a Subsidiary on each applicable vesting date and
subject to the terms of this Agreement, including Section 2.2(c) below, the RSUs shall vest in such amounts and at such times as are set forth in the Grant Notice. Each additional RSU which results from deemed reinvestments of Dividend
Equivalents pursuant to Section 2.1(b) hereof shall vest whenever the underlying RSU to which such additional RSU relates vests. 
 (b)
Subject to Section 2.2(c) below, in the event Participant incurs a Termination of Service, except as may be otherwise provided by the Administrator or as set forth in a written agreement between Participant and the Company, Participant shall
immediately forfeit any and all RSUs and Dividend Equivalents granted under this Agreement which have not vested or do not vest on or prior to the date on which such Termination of Service occurs, and Participant’s rights in any such RSUs and
Dividend Equivalents which are not so vested shall lapse and expire. 
 (c) Notwithstanding any contrary provision of this Agreement, in the
event of Participant’s Termination of Service by the Company without Cause or due to Participant’s death or Disability, in each case, within twenty-four (24) months following a Change in Control, all unvested RSUs will vest in full;
provided, however, that if Participant is a party to a written employment or change in control severance agreement with the Company (or its Subsidiary) that provides more favorable treatment for unvested RSUs in connection with a Change in Control,
then the RSUs shall be treated as provided in the applicable written employment or change in control severance agreement. 
 As used in this Agreement,
“Cause” shall mean (a) the Board’s determination that Participant failed to substantially perform his or her duties (other than any such failure resulting from Participant’s Disability); (b) the Board’s
determination that Participant failed to carry out, or comply with any lawful and reasonable directive of the Board or Participant’s immediate supervisor; (c) Participant’s conviction, plea of no contest, plea of nolo contendere, or
imposition of unadjudicated probation for any felony, indictable offense or crime involving moral turpitude; (d) Participant’s unlawful use (including being under the influence) or possession of illegal drugs on the Company’s (or any
of its Subsidiaries’) premises or while performing Participant’s duties and responsibilities; or (e) Participant’s commission of an act of fraud, embezzlement, misappropriation, misconduct, or breach of fiduciary duty against the
Company or any of its Subsidiaries. Notwithstanding the foregoing, if Participant is a party to a written employment or change in control severance agreement with the Company (or its Subsidiary) that contains a definition of Cause, then
“Cause” shall be as such term is defined in the applicable written employment or change in control severance agreement 

2.3 Distribution or Payment of RSUs. 

(a) Participant’s RSUs shall be distributed in Shares (either in book-entry form or otherwise) or, at the option of the Company, paid in
an amount of cash as set forth in Section 2.3(b), in either case, as soon as administratively practicable following the vesting of the applicable RSU pursuant to Section 2.2, and, in any event, within sixty (60) days following such
vesting. Notwithstanding the foregoing, the Company may delay a distribution or payment in settlement of RSUs if it reasonably determines that such payment or distribution will violate Federal securities laws or any other Applicable Law,
provided that such distribution or payment shall be made at the earliest date at which the Company reasonably determines that the making of such distribution or payment will not cause such violation, as required by Treasury Regulation
Section 1.409A-2(b)(7)(ii), and provided further that no payment or distribution shall be delayed under this Section 2.3(a) if such delay will result in a violation of Section 409A of the Code. 

  
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 (b) In the event that the Company elects to make payment of Participant’s RSUs in cash, the
amount of cash payable with respect to each RSU shall be equal to the Fair Market Value of a Share on the day immediately preceding the applicable distribution or payment date set forth in Section 2.3(a). All distributions made in Shares shall
be made by the Company in the form of whole Shares, and any fractional share shall be distributed in cash in an amount equal to the value of such fractional share determined based on the Fair Market Value as of the date immediately preceding the
date of such distribution. 
 2.4 Conditions to Issuance of Certificates. The Company shall not be required to issue or deliver any
certificate or certificates for any Shares prior to the fulfillment of all of the following conditions: (A) the admission of the Shares to listing on all stock exchanges on which such Shares are then listed, (B) the completion of any
registration or other qualification of the Shares under any state or federal law or under rulings or regulations of the Securities and Exchange Commission or other governmental regulatory body, which the Administrator shall, in its absolute
discretion, deem necessary or advisable, and (C) the obtaining of any approval or other clearance from any state or federal governmental agency that the Administrator shall, in its absolute discretion, determine to be necessary or advisable.

 2.5 Tax Withholding. Notwithstanding any other provision of this Agreement: 

(a) The Company and its Subsidiaries have the authority to deduct or withhold, or require Participant to remit to the Company or the
applicable Subsidiary, an amount sufficient to satisfy applicable federal, state, local and foreign taxes (including the employee portion of any FICA obligation) required by law to be withheld with respect to any taxable event arising pursuant to
this Agreement. The Company and its Subsidiaries may withhold or the Participant may make such payment in one or more of the forms specified below: 

(i) by cash or check made payable to the Company or the Subsidiary with respect to which the withholding obligation arises; 

(ii) by the deduction of such amount from other compensation payable to Participant; 

(iii) with respect to any withholding taxes arising in connection with the distribution of the RSUs, with the consent of the Administrator,
by requesting that the Company and its Subsidiaries withhold a net number of vested shares of Stock otherwise issuable pursuant to the RSUs having a then current Fair Market Value not exceeding the amount necessary to satisfy the withholding
obligation of the Company and its Subsidiaries based on the minimum applicable statutory withholding rates for federal, state, local and foreign income tax and payroll tax purposes; 

(iv) with respect to any withholding taxes arising in connection with the distribution of the RSUs, with the consent of the Administrator, by
tendering to the Company vested shares of Stock having a then current Fair Market Value not exceeding the amount necessary to satisfy the withholding obligation of the Company and its Subsidiaries based on the minimum applicable statutory
withholding rates for federal, state, local and foreign income tax and payroll tax purposes; 
 (v) with respect to any withholding taxes
arising in connection with the distribution of the RSUs, through the delivery of a notice that Participant has placed a market sell order with a broker acceptable to the Company with respect to shares of Stock then issuable to Participant pursuant
to the RSUs, and that the broker has been directed to pay a sufficient portion of the net proceeds of the sale to the Company or the Subsidiary with respect to which the withholding obligation arises in


  
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satisfaction of such withholding taxes; provided that payment of such proceeds is then made to the Company or the applicable Subsidiary at such time as may be required by the
Administrator, but in any event not later than the settlement of such sale; or 
 (vi) in any combination of the foregoing. 

(b) With respect to any withholding taxes arising in connection with the RSUs, in the event Participant fails to provide timely payment of all
sums required pursuant to Section 2.5(a), the Company shall have the right and option, but not the obligation, to treat such failure as an election by Participant to satisfy all or any portion of Participant’s required payment obligation
pursuant to Section 2.5(a)(ii) or Section 2.5(a)(iii) above, or any combination of the foregoing as the Company may determine to be appropriate. The Company shall not be obligated to deliver any certificate representing shares of Stock
issuable with respect to the RSUs to Participant or his or her legal representative unless and until Participant or his or her legal representative shall have paid or otherwise satisfied in full the amount of all federal, state, local and foreign
taxes applicable with respect to the taxable income of Participant resulting from the vesting or settlement of the RSUs or any other taxable event related to the RSUs. 

(c) In the event any tax withholding obligation arising in connection with the RSUs will be satisfied under Section 2.5(a)(iii), then the
Company may elect to instruct any brokerage firm determined acceptable to the Company for such purpose to sell on Participant’s behalf a whole number of shares from those shares of Stock then issuable to Participant pursuant to the RSUs as the
Company determines to be appropriate to generate cash proceeds sufficient to satisfy the tax withholding obligation and to remit the proceeds of such sale to the Company or the Subsidiary with respect to which the withholding obligation arises.
Participant’s acceptance of this Award constitutes Participant’s instruction and authorization to the Company and such brokerage firm to complete the transactions described in this Section 2.5(c), including the transactions described
in the previous sentence, as applicable. The Company may refuse to issue any shares of Stock in settlement of the RSUs to Participant until the foregoing tax withholding obligations are satisfied, provided that no payment shall be delayed
under this Section 2.5(c) if such delay will result in a violation of Section 409A of the Code. 
 (d) Participant is ultimately
liable and responsible for all taxes owed in connection with the RSUs, regardless of any action the Company or any Subsidiary takes with respect to any tax withholding obligations that arise in connection with the RSUs. Neither the Company nor any
Subsidiary makes any representation or undertaking regarding the treatment of any tax withholding in connection with the awarding, vesting or payment of the RSUs or the subsequent sale of Shares. The Company and the Subsidiaries do not commit and
are under no obligation to structure the RSUs to reduce or eliminate Participant’s tax liability. 
 2.6 Rights as Stockholder.
Neither Participant nor any person claiming under or through Participant will have any of the rights or privileges of a stockholder of the Company in respect of any Shares deliverable hereunder unless and until certificates representing such Shares
(which may be in book-entry form) will have been issued and recorded on the records of the Company or its transfer agents or registrars, and delivered to Participant (including through electronic delivery to a brokerage account). Except as otherwise
provided herein, after such issuance, recordation and delivery, Participant will have all the rights of a stockholder of the Company with respect to such Shares, including, without limitation, the right to receipt of dividends and distributions on
such Shares. 

  
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 ARTICLE III. 

OTHER PROVISIONS 
 3.1
Administration. The Administrator shall have the power to interpret the Plan, the Grant Notice and this Agreement and to adopt such rules for the administration, interpretation and application of the Plan, the Grant Notice and this Agreement
as are consistent therewith and to interpret, amend or revoke any such rules. All actions taken and all interpretations and determinations made by the Administrator will be final and binding upon Participant, the Company and all other interested
persons. To the extent allowable pursuant to Applicable Law, no member of the Committee or the Board will be personally liable for any action, determination or interpretation made with respect to the Plan, the Grant Notice or this Agreement. 

3.2 RSUs Not Transferable. The RSUs may not be sold, pledged, assigned or transferred in any manner other than by will or the laws of
descent and distribution, unless and until the Shares underlying the RSUs have been issued, and all restrictions applicable to such Shares have lapsed. No RSUs or any interest or right therein or part thereof shall be liable for the debts, contracts
or engagements of Participant or his or her successors in interest or shall be subject to disposition by transfer, alienation, anticipation, pledge, encumbrance, assignment or any other means whether such disposition be voluntary or involuntary or
by operation of law by judgment, levy, attachment, garnishment or any other legal or equitable proceedings (including bankruptcy), and any attempted disposition thereof shall be null and void and of no effect, except to the extent that such
disposition is permitted by the preceding sentence. 
 3.3 Adjustments. The Administrator may accelerate the vesting of all or a
portion of the RSUs in such circumstances as it, in its sole discretion, may determine. Participant acknowledges that the RSUs and the Shares subject to the RSUs are subject to adjustment, modification and termination in certain events as provided
in this Agreement and Section 12.2 of the Plan. 
 3.4 Notices. Any notice to be given under the terms of this Agreement to the
Company shall be addressed to the Company in care of the Secretary of the Company at the Company’s principal office, and any notice to be given to Participant shall be addressed to Participant at Participant’s last address reflected on the
Company’s records. By a notice given pursuant to this Section 3.4, either party may hereafter designate a different address for notices to be given to that party. Any notice shall be deemed duly given when sent via email or when sent by
certified mail (return receipt requested) and deposited (with postage prepaid) in a post office or branch post office regularly maintained by the United States Postal Service. 

3.5 Titles. Titles are provided herein for convenience only and are not to serve as a basis for interpretation or construction of this
Agreement. 
 3.6 Governing Law. The laws of the State of Delaware shall govern the interpretation, validity, administration,
enforcement and performance of the terms of this Agreement regardless of the law that might be applied under principles of conflicts of laws. 

3.7 Conformity to Securities Laws. Participant acknowledges that the Plan, the Grant Notice and this Agreement are intended to conform
to the extent necessary with all Applicable Laws, including, without limitation, the provisions of the Securities Act and the Exchange Act, and any and all regulations and rules promulgated thereunder by the Securities and Exchange Commission, and
state securities laws and regulations. Notwithstanding anything herein to the contrary, the Plan shall be administered, and the RSUs are granted, only in such a manner as to conform to Applicable Law. To the extent permitted by Applicable Law, the
Plan and this Agreement shall be deemed amended to the extent necessary to conform to Applicable Law. 

  
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 3.8 Amendment, Suspension and Termination. To the extent permitted by the Plan, this
Agreement may be wholly or partially amended or otherwise modified, suspended or terminated at any time or from time to time by the Administrator or the Board, provided that, except as may otherwise be provided by the Plan, no amendment,
modification, suspension or termination of this Agreement shall adversely affect the RSUs in any material way without the prior written consent of Participant. 

3.9 Successors and Assigns. The Company may assign any of its rights under this Agreement to single or multiple assignees, and this
Agreement shall inure to the benefit of the successors and assigns of the Company. Subject to the restrictions on transfer set forth in Section 3.2 and the Plan, this Agreement shall be binding upon and inure to the benefit of the heirs,
legatees, legal representatives, successors and assigns of the parties hereto. 
 3.10 Limitations Applicable to Section 16
Persons. Notwithstanding any other provision of the Plan or this Agreement, if Participant is subject to Section 16 of the Exchange Act, the Plan, the RSUs (including RSUs which result from the deemed reinvestment of Dividend Equivalents),
the Dividend Equivalents, the Grant Notice and this Agreement shall be subject to any additional limitations set forth in any applicable exemptive rule under Section 16 of the Exchange Act (including any amendment to Rule 16b-3 of the Exchange
Act) that are requirements for the application of such exemptive rule. To the extent permitted by Applicable Law, this Agreement shall be deemed amended to the extent necessary to conform to such applicable exemptive rule. 

3.11 Not a Contract of Employment. Nothing in this Agreement or in the Plan shall confer upon Participant any right to continue to
serve as an employee or other service provider of the Company or any Subsidiary or shall interfere with or restrict in any way the rights of the Company and its Subsidiaries, which rights are hereby expressly reserved, to discharge or terminate the
services of Participant at any time for any reason whatsoever, with or without Cause, except to the extent expressly provided otherwise in a written agreement between the Company or a Subsidiary and Participant. 

3.12 Entire Agreement. The Plan, the Grant Notice and this Agreement (including any exhibit hereto) constitute the entire
agreement of the parties and supersede in their entirety all prior undertakings and agreements of the Company and Participant with respect to the subject matter hereof. 

3.13 Section 409A. This Award is not intended to constitute “nonqualified deferred compensation” within the meaning of
Section 409A of the Code (together with any Department of Treasury regulations and other interpretive guidance issued thereunder, including without limitation any such regulations or other guidance that may be issued after the date hereof,
“Section 409A”). However, notwithstanding any other provision of the Plan, the Grant Notice or this Agreement, if at any time the Administrator determines that this Award (or any portion thereof) may be subject to Section 409A,
the Administrator shall have the right in its sole discretion (without any obligation to do so or to indemnify Participant or any other person for failure to do so) to adopt such amendments to the Plan, the Grant Notice or this Agreement, or adopt
other policies and procedures (including amendments, policies and procedures with retroactive effect), or take any other actions, as the Administrator determines are necessary or appropriate for this Award either to be exempt from the application of
Section 409A or to comply with the requirements of Section 409A. 
 3.14 Agreement Severable. In the event that any
provision of the Grant Notice or this Agreement is held invalid or unenforceable, such provision will be severable from, and such invalidity or unenforceability will not be construed to have any effect on, the remaining provisions of the Grant
Notice or this Agreement. 

  
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 3.15 Limitation on Participant’s Rights. Participation in the Plan confers no rights
or interests other than as herein provided. This Agreement creates only a contractual obligation on the part of the Company as to amounts payable and shall not be construed as creating a trust. Neither the Plan nor any underlying program, in and of
itself, has any assets. Participant shall have only the rights of a general unsecured creditor of the Company with respect to amounts credited and benefits payable, if any, with respect to the RSUs and Dividend Equivalents. 

3.16 Counterparts. The Grant Notice may be executed in one or more counterparts, including by way of any electronic signature, subject
to Applicable Law, each of which shall be deemed an original and all of which together shall constitute one instrument. 
 3.17
Broker-Assisted Sales. In the event of any broker-assisted sale of shares of Stock in connection with the payment of withholding taxes as provided in Section 2.5(a)(iii) or Section 2.5(a)(v): (A) any shares of Stock to be sold
through a broker-assisted sale will be sold on the day the tax withholding obligation arises or as soon thereafter as practicable; (B) such shares of Stock may be sold as part of a block trade with other participants in the Plan in which all
participants receive an average price; (C) Participant will be responsible for all broker’s fees and other costs of sale, and Participant agrees to indemnify and hold the Company harmless from any losses, costs, damages, or expenses
relating to any such sale; (D) to the extent the proceeds of such sale exceed the applicable tax withholding obligation, the Company agrees to pay such excess in cash to Participant as soon as reasonably practicable; (E) Participant
acknowledges that the Company or its designee is under no obligation to arrange for such sale at any particular price, and that the proceeds of any such sale may not be sufficient to satisfy the applicable tax withholding obligation; and (F) in
the event the proceeds of such sale are insufficient to satisfy the applicable tax withholding obligation, Participant agrees to pay immediately upon demand to the Company or its Subsidiary with respect to which the withholding obligation arises an
amount in cash sufficient to satisfy any remaining portion of the Company’s or the applicable Subsidiary’s withholding obligation. 

*        *        * 

  
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