FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * Harrison Steven B   2. Issuer Name and Ticker or Trading Symbol MTS SYSTEMS CORP [MTSC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Pres., Veh & Struct. Test Syst (Last) (First) (Middle) 14000 TECHNOLOGY DRIVE 3. Date of Earliest Transaction (Month/Day/Year) 04/17/2018 (Street) EDEN PRAIRIE, MN 55344 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 04/17/2018   F   108 (1) D $ 52.3 1,968.2139 D   Common Stock 04/17/2018   A   1,076 A $ 0 3,044.2139 (2) D

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Stock Option (right to buy)

$ 46.25

(3)

04/17/2024

Common Stock

4,543

4,543

D

Stock Option (right to buy)

$ 52.3

04/17/2018

A

5,040

(4)

04/17/2025

Common Stock

5,040

$ 0

5,040

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Harrison Steven B 14000 TECHNOLOGY DRIVE EDEN PRAIRIE, MN 55344			Pres., Veh & Struct. Test Syst

Signatures

/s/ Amanda Lorentz as attorney-in-fact for Steven B. Harrison pursuant to Power of Attorney previously filed		04/19/2018
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Shares withheld for payment of tax liability.
(2)	Includes (i) 720 restricted stock units that vest as to 360 shares on each of 4/15/19 and 4/15/20; (ii) 630 restricted stock units that vest as to 315 shares on each of 4/17/19 and 4/17/20; and (iii) 1,076 restricted stock units that vest as to 359 shares on each of 4/17/19 and 4/17/20 and as to 358 shares on 4/17/21.
(3)	Options to purchase 1,515 shares vest on 4/17/18 and options to purchase 1,514 shares vest on each of 4/17/19 and 4/17/20.
(4)	Options to purchase 1,680 shares vest on each of 4/17/19, 4/17/20 and 4/17/21.

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