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 annual report on Form 10-K for the fiscal year ended December 31, 2011 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 annual report on Form 10-K for the fiscal year ended December 31, 2011 fairly presents, in all material respects, the financial condition and results of operations of the Company. |
| Date: March 9, 2012 | | | /s/ York A. Ragen ---------------------------------------------------------------------------------------- |
| | | | Name: | | York A. Ragen |
| | | | Title: | | Chief Financial Officer |
