Exhibit 32.2

CERTIFICATION OF THE CHIEF FINANCIAL OFFICER
PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED
BY SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

        Pursuant to Section 1350, Chapter 63 of Title 18, United States Code, as adopted by Section 906 of the Sarbanes-Oxley Act of 2002, the undersigned, as Chief Financial Officer of Generac Holdings Inc. (the “Company”), does hereby certify that to my knowledge:

1. the Company's quarterly report on Form 10-Q for the fiscal quarter ended September 30, 2015 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2. the information contained in the Company's quarterly report on Form 10-Q for the fiscal quarter ended September 30, 2015 fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:  November 6, 2015	/s/ York A. Ragen
	Name: York A. Ragen
	Title: Chief Financial Officer