Rumble With a Cause Campaign Benefits U.S. Military Members and Families

The Armed Forces Foundation (AFF), with the support of Oshkosh Defense, a division of Oshkosh Corporation (NYSE:OSK), announced today the "Rumble With a Cause” sweepstakes is off to a rousing start. Through April 15, 2010, donations raised from this sweepstakes campaign will support active and retired members of the U.S. Military and their families. Enter or donate online at www.rumblewithacause.org.

Entrants to the sweepstakes will have the chance to win one of two custom-painted Harley-Davidson^® Fat Boy^® motorcycles, donated to the AFF for the sweepstakes by Oshkosh Defense. On the entry form, participants are asked to select entry into either the sweepstakes for the Marine Corps-themed "Semper Fidelis Salute” or the sweepstakes for the Army-themed "American Soldier Salute” motorcycle. No donation or purchase is necessary to enter the sweepstakes and winners must meet eligibility requirements.

"Oshkosh Defense has attained a reputation as a stellar supporter of our brave men and women in the U.S. military,” said Patricia Driscoll, president and executive director of the Armed Forces Foundation. "This is an excellent opportunity for people to donate to a good cause and have a chance to win one of two unique, high-quality motorcycles, and we thank Oshkosh for their contributions.”

AFF issues direct aid to wounded warriors, as well as active-duty, retired personnel, Guard, Reserve Components, and their families through a variety of programs.

"At Oshkosh Defense, we are always looking for ways to give back to our warfighters who defend our freedom,” said Andy Hove, Oshkosh Corporation executive vice president and president, Defense. "We are honored to have this chance to work with the AFF and help support their programs for soldiers, sailors, airmen and Marines, and their families.”

Enter online at www.rumblewithacause.org or at upcoming events:

No donation or purchase is necessary to enter. Entries may be made at events attended by the AFF and Oshkosh Defense and on the sweepstakes Web site at www.rumblewithacause.org. Individuals will receive one entry for each $10 donation made up to a total of $200 or 20 entries. All rules, including instructions for entry without donation and eligibility requirements are on the sweepstakes Web site.

About The Armed Forces Foundation:

The Armed Forces Foundation (AFF) was established in 2001 as a national 501 (c) (3) non-profit organization. A part of the U.S. Department of Defense’s America Supports You program, AFF considers it their duty; honor and privilege to serve the needs of those that have bravely served our country. AFF issues direct aid to our wounded warriors, as well as active-duty, retired personnel, Guard, Reserve Components, and their families through a variety of programs. From financial assistance to morale, welfare, and recreation, AFF’s dedication to our troops help them get back on their feet and care for their loved ones at home. For more information, please visit www.armedforcesfoundation.org. "Serving Those Who Serve” • 16 North Carolina Ave. SE, Washington, DC 20003 • T: 202.547.4713 • Tax ID No.: 75-3070368 • CFC # 12247

About Oshkosh Defense

Oshkosh Defense, a division of Oshkosh Corporation, is an industry-leading global designer and manufacturer of tactical military trucks and armored wheeled vehicles, delivering a full product line of conventional and hybrid vehicles, advanced armor options, proprietary suspensions and vehicles with payloads that can exceed 70 tons. Oshkosh Defense provides a global service and supply network including full life-cycle support and remanufacturing, and its vehicles are recognized the world over for superior performance, reliability and protection. For more information, visit www.oshkoshdefense.com.

About Oshkosh Corporation

Oshkosh Corporation is a leading designer, manufacturer and marketer of a broad range of specialty access equipment, commercial, fire & emergency and military vehicles and vehicle bodies. Oshkosh Corp. manufactures, distributes and services products under the brands of Oshkosh^®, JLG^®, Pierce^®, McNeilus^®, Medtec^®, Jerr-Dan^®, Oshkosh Specialty Vehicles, Frontline™, SMIT™, CON-E-CO^®, London^® and IMT^®. Oshkosh products are valued worldwide in businesses where high quality, superior performance, rugged reliability and long-term value are paramount. For more information, log on to www.oshkoshcorporation.com.

^®, ™ All brand names referred to in this news release are trademarks of Oshkosh Corporation or its subsidiary companies.

Forward-Looking Statements

This press release contains statements that the Company believes to be "forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. All statements other than statements of historical fact, including, without limitation, statements regarding the Company’s future financial position, business strategy, targets, projected sales, costs, earnings, capital expenditures, debt levels and cash flows, and plans and objectives of management for future operations, are forward-looking statements. When used in this press release, words such as "may,” "will,” "expect,” "intend,” "estimate,” "anticipate,” "believe,” "should,” "project” or "plan” or the negative thereof or variations thereon or similar terminology are generally intended to identify forward-looking statements. These forward-looking statements are not guarantees of future performance and are subject to risks, uncertainties, assumptions and other factors, some of which are beyond the Company’s control, which could cause actual results to differ materially from those expressed or implied by such forward-looking statements. These factors include the consequences of financial leverage associated with the JLG acquisition, including the level of the Company’s borrowing costs, the increased interest rates the Company would face if it experienced a deterioration or downgrade in credit agency ratings and the Company’s ability to maintain compliance with its financial covenants under its credit agreement; the cyclical nature of the Company’s access equipment, commercial and fire & emergency markets, especially during a global recession and credit crisis; the duration of the global recession, which could lead to additional impairment charges related to many of the Company’s intangible assets; risks related to the required increase in the rate of production for the M-ATV and FMTV contracts, and the amount, if any, of additional orders for M-ATVs and/or FMTVs that the Company may receive; the outcome of the formal protests of the FMTV award to the Company: the expected level and timing of U.S. Department of Defense procurement of products and services and funding thereof; risks related to reductions in government expenditures and the uncertainty of government contracts; risks related to production delays as a result of the economy’s impact on the Company’s suppliers; the potential for commodity costs to rise sharply in a future economic recovery; risks associated with international operations and sales, including foreign currency fluctuations; risks related to the collectibility of receivables during a recession, particularly for those businesses with exposure to construction markets; and the potential for increased costs relating to compliance with changes in laws and regulations. Additional information concerning these and other factors is contained in the Company’s filings with the Securities and Exchange Commission. All forward-looking statements speak only as of the date of this press release. The Company assumes no obligation, and disclaims any duty, to update or revise publicly any forward-looking statements, whether as a result of new information, future events or otherwise.