Exhibit 3.1

ARTICLES OF AMENDMENT

TO

AMENDED AND RESTATED

ARTICLES OF INCORPORATION

OF

SUN HYDRAULICS CORPORATION

J49665

(Document Number of Corporation)

Pursuant to the provisions of Section 607.1006, Florida Statutes, SUN HYDRAULICS CORPORATION (the “Corporation”) hereby adopts the following Articles of Amendment to its Amended and Restated Articles of Incorporation.

FIRST: The name of the Corporation is SUN HYDRAULICS CORPORATION.

SECOND: The following amendment to the Amended and Restated Articles of Incorporation was adopted by the Board of Directors of the Corporation:

The first sentence of Article 5 - Authorized Shares of the Amended and Restated Articles of Incorporation shall be amended to read as follows: The total number of shares of all classes of capital stock which the Corporation shall have the authority to issue is Forty-Two Million (42,000,000) shares, consisting of (i) Forty Million (40,000,000) shares of common stock, $.001 value per share (the “Common Stock”), and (ii) Two Million (2,000,000) shares of preferred stock, $.001 value per share (the “Preferred Stock”).

Except as aforesaid, the remainder of the Amended and Restated Articles of Incorporation shall remain in full force and effect and shall not be modified by this Amendment.

THIRD: The foregoing amendment was approved and adopted by the shareholders at a meeting held on June 6, 2011. The number of votes cast for the approval and adoption of the amendment by the shareholders was sufficient for approval.

IN WITNESS WHEREOF, the undersigned, President of the Corporation, has executed these Articles of Amendment this 6^th day of June, 2011.