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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
SUN HYDRAULICS CORPORATION
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(Name of Issuer)
COMMON STOCK, PAR VALUE $0.001 PER SHARE
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(Title of Class of Securities)
866942 10 5
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(CUSIP Number)
* The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which would
alter the disclosures provided in a prior cover page.
The information required in the remainder of this cover page shall not
be deemed to be "filed" for the purpose of Section 18 of the Securities
Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that
section of the Act, but shall be subject to all other provisions of the Act
(however, see the Notes).
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CUSIP NO. 866942 10 5 13G Page 2 of 11
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1) Names of Reporting Persons/ I.R.S. Identification Nos. of Above Persons
(Entities Only)
Robert E. Koski
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2) Check the Appropriate Box if a Member of a Group (See Instructions)
(a) [X]
(b) [ ]
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3) SEC Use Only
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4) Citizenship or Place of Organization
U.S.
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Number of (5) Sole Voting Power
Shares
Beneficially 127,162
Owned by
Each (6) Shared Voting Power
Reporting
Person 2,409,758
With
(7) Sole Dispositive Power
127,162
(8) Shared Dispositive Power
2,409,758
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9) Aggregate Amount Beneficially Owned by Each Reporting Person
2,536,920
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10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares [ ]
(See Instructions)
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11) Percent of Class Represented by Amount in Row (9)
40.13%
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12) Type of Reporting Person (See Instructions)
IN
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CUSIP NO. 866942 10 5 13G Page 3 of 11
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1) Names of Reporting Persons/ I.R.S. Identification Nos. of Above Persons
(Entities Only)
Beverly Koski
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2) Check the Appropriate Box if a Member of a Group (See Instructions)
(a) [X]
(b) [ ]
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3) SEC Use Only
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4) Citizenship or Place of Organization
U.S.
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Number of (5) Sole Voting Power
Shares
Beneficially 151,215
Owned by
Each (6) Shared Voting Power
Reporting
Person 2,385,705
With
(7) Sole Dispositive Power
151,215
(8) Shared Dispositive Power
2,385,705
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9) Aggregate Amount Beneficially Owned by Each Reporting Person
2,536,920
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10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares [ ]
(See Instructions)
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11) Percent of Class Represented by Amount in Row (9)
40.13%
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12) Type of Reporting Person (See Instructions)
IN
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CUSIP NO. 866942 10 5 13G Page 4 of 11
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1) Names of Reporting Persons/ I.R.S. Identification Nos. of Above Persons
(Entities Only)
Christine L. Koski
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2) Check the Appropriate Box if a Member of a Group (See Instructions)
(a) [X]
(b) [ ]
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3) SEC Use Only
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4) Citizenship or Place of Organization
U.S.
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Number of (5) Sole Voting Power
Shares
Beneficially 64,295
Owned by
Each (6) Shared Voting Power
Reporting
Person 2,258,543
With
(7) Sole Dispositive Power
64,295
(8) Shared Dispositive Power
2,258,543
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9) Aggregate Amount Beneficially Owned by Each Reporting Person
2,322,838
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10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares [ ]
(See Instructions)
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11) Percent of Class Represented by Amount in Row (9)
36.74%
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12) Type of Reporting Person (See Instructions)
IN
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CUSIP NO. 866942 10 5 13G Page 5 of 11
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1) Names of Reporting Persons/ I.R.S. Identification Nos. of Above Persons
(Entities Only)
Robert C. Koski
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2) Check the Appropriate Box if a Member of a Group (See Instructions)
(a) [X]
(b) [ ]
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3) SEC Use Only
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4) Citizenship or Place of Organization
U.S.
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Number of (5) Sole Voting Power
Shares
Beneficially 0
Owned by
Each (6) Shared Voting Power
Reporting
Person 2,258,543
With
(7) Sole Dispositive Power
0
(8) Shared Dispositive Power
2,258,543
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9) Aggregate Amount Beneficially Owned by Each Reporting Person
2,258,543
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10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares [ ]
(See Instructions)
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11) Percent of Class Represented by Amount in Row (9)
35.73%
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12) Type of Reporting Person (See Instructions)
IN
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CUSIP NO. 866942 10 5 13G Page 6 of 11
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1) Names of Reporting Persons/ I.R.S. Identification Nos. of Above Persons
(Entities Only)
Thomas L. Koski
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2) Check the Appropriate Box if a Member of a Group (See Instructions)
(a) [X]
(b) [ ]
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3) SEC Use Only
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4) Citizenship or Place of Organization
U.S.
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Number of (5) Sole Voting Power
Shares
Beneficially 0
Owned by
Each (6) Shared Voting Power
Reporting
Person 2,258,543
With
(7) Sole Dispositive Power
0
(8) Shared Dispositive Power
2,258,543
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9) Aggregate Amount Beneficially Owned by Each Reporting Person
2,258,543
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10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares [ ]
(See Instructions)
______________________________________________________________________________
11) Percent of Class Represented by Amount in Row (9)
35.73%
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12) Type of Reporting Person (See Instructions)
IN
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CUSIP NO. 866942 10 5 13G Page 7 of 11
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1) Names of Reporting Persons/ I.R.S. Identification Nos. of Above Persons
(Entities Only)
Koski Family Limited Partnership EIN: 75-2707549
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2) Check the Appropriate Box if a Member of a Group (See Instructions)
(a) [X]
(b) [ ]
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3) SEC Use Only
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4) Citizenship or Place of Organization
U.S.
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Number of (5) Sole Voting Power
Shares
Beneficially 0
Owned by
Each (6) Shared Voting Power
Reporting
Person 2,258,543
With
(7) Sole Dispositive Power
0
(8) Shared Dispositive Power
2,258,543
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9) Aggregate Amount Beneficially Owned by Each Reporting Person
2,258,543
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10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares [ ]
(See Instructions)
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11) Percent of Class Represented by Amount in Row (9)
35.73%
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12) Type of Reporting Person (See Instructions)
PN
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CUSIP NO. 866942 10 5 13G Page 8 of 11
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SCHEDULE 13G - TO BE INCLUDED IN STATEMENTS
FILED PURSUANT TO RULE 13d-1(b) OR 13d-2(b)
Item 1(a). Name of Issuer:
SUN HYDRAULICS CORPORATION
Item 1(b). Address of Issuer's Principal Executive Offices:
1500 West University Parkway
Sarasota, FL 34243
Item 2(a). Name of Person Filing:
Robert E. Koski
Beverly Koski
Christine L. Koski
Robert C. Koski
Thomas L. Koski
Koski Family Limited Partnership
Item 2(b). Address of Principal Business Office or, if none, Residence:
1500 West University Parkway
Sarasota, FL 34243
Item 2(c). Citizenship:
U.S.
Item 2(d). Title of Class of Securities:
Common Stock, Par Value $0.001 per share
Item 2(e). CUSIP Number:
866942 10 5
Item 3(a). If this statement is filed pursuant to Rule 13d-1(b), or
13d-2(b), check whether the filing person is a:
(a) [ ] Broker or Dealer registered under Section 15 of the Act;
(b) [ ] Bank as defined in Section 3(a)(6) of the Act;
(c) [ ] Insurance Company as defined in Section 3(a)(19) of the Act;
(d) [ ] Investment Company registered under Section 8 of the Investment
Company Act;
(e) [ ] Investment Adviser registered under Section 203 of the Investment
Advisers Act of 1940;
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CUSIP NO. 866942 10 5 13G Page 9 of 11
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(f) [ ] Employee Benefit Plan, Pension Fund which is subject to the
provisions of the Employee Retirement Income Security Act of
1974, or Endowment Fund; see Rule 13d-1(b)(1)(ii)(F);
(g) [ ] Parent Holding Company, in accordance with Rule 13d-1(b)(ii)(G)
(Note: See Item 7);
(h) [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(H)
Item 4. Ownership:
If the percent of the class owned, as of December 31, of the year
covered by the statement, or as of the last day of any month described in Rule
13d-1(b)(2), if applicable, exceeds five percent, provide the following
information as of that date and identify those shares which there is a right to
acquire.
(a) Amount Beneficially Owned:
See Response to Item 9 on cover pages.
(b) Percent of Class:
See Response to Item 11 on cover pages.
(c) Number of shares as to which such person has:
(i) sole power to vote or to direct the vote:
See Response to Item 5 on cover pages.
(ii) shared power to vote or to direct the vote:
See Response to Item 6 on cover pages.
(iii) sole power to dispose or to direct the disposition
of:
See Response to Item 7 on cover pages.
(iv) shared power to dispose or to direct the disposition
of:
See Response to Item 8 on cover pages.
Item 5. Ownership of Five Percent or Less of a Class:
Not applicable
Item 6. Ownership of More than Five Percent on Behalf of Another
Person:
Not applicable
Item 7: Identification and Classification of the Subsidiary Which
Acquired the Security Being Reported on by the Parent Holding
Company:
Not applicable
Item 8: Identification and Classification of Members of the Group:
Not applicable
Item 9: Notice of Dissolution of Group:
Not applicable
Item 10: Certification:
Not applicable
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CUSIP NO. 866942 10 5 13G Page 10 of 11
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SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.
February 12, 1998
/s/ Robert E. Koski
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ROBERT E. KOSKI
/s/ Beverly Koski
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BEVERLY KOSKI
/s/ Christine L. Koski
---------------------------------
CHRISTINE L. KOSKI
/s/ Robert C. Koski
---------------------------------
ROBERT C. KOSKI
/s/ Thomas L. Koski
---------------------------------
THOMAS L. KOSKI
KOSKI FAMILY LIMITED PARTNERSHIP
By: /s/ Robert E. Koski
------------------------------
Robert E. Koski, General Partner
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CUSIP NO. 866942 10 5 13G Page 11 of 11
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EXHIBIT A
SCHEDULE 13G - TO BE INCLUDED IN STATEMENTS
FILED PURSUANT TO RULE 13d-1(b) OR 13d-2(b)
RULE 13d-1(f)(1) AGREEMENT
The undersigned agree and consent to the joint filing on their behalf
of this Schedule 13G in connection with their beneficial ownership of the
common stock of Sun Hydraulics Corporation at December 31, 1997.
/s/ Robert E. Koski
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ROBERT E. KOSKI
/s/ Beverly Koski
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BEVERLY KOSKI
/s/ Christine L. Koski
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CHRISTINE L. KOSKI
/s/ Robert C. Koski
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ROBERT C. KOSKI
/s/ Thomas L. Koski
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THOMAS L. KOSKI
KOSKI FAMILY LIMITED PARTNERSHIP
By: /s/ Robert E. Koski
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Robert E. Koski, General Partner
