Stinger Q4 Rapid Intervention Vehicle Displayed at FDIC

June 3, 2009

New Rapid Intervention Vehicle co-developed by Pierce and Oshkosh Airport Products.

Appleton, Wis. (April 23, 2009) - Pierce Manufacturing and Oshkosh Airport Products, both Oshkosh Corporation (NYSE:OSK) companies, today displayed the new Stinger Q4™ Rapid Intervention Vehicle (RIV) in Indianapolis at the Fire Department Instructors Conference (FDIC) booth #8320. The Stinger Q4 vehicle was purchased by the Louisville Regional Airport Authority in Louisville, Ky.

"The Stinger Q4 Rapid Intervention Vehicle is an outstanding example of Pierce and Oshkosh Airport Products sharing technology to engineer innovative solutions for the fire service, said Wilson Jones, Oshkosh Corporation executive vice president and president, Fire & Emergency. "With its exclusive Pulse Delivery® and QuadAgent® technologies, the Stinger Q4 RIV offers excellent firefighting capabilities, and has generated tremendous interest from the industry."

The Stinger Q4 RIV features exclusive Pulse Delivery and QuadAgent systems to meet airport rapid intervention vehicle requirements. The Stinger Q4 meets Class I and II product index ratings, and is engineered to deliver best-in-class performance for aircraft rescue, firefighting, hazmat and emergency response at airports of all sizes. With its smaller size and greater maneuverability, it is ideally suited for a wide range of incidents either on or around the airfield.

"The Stinger Q4 RIV will replace an outdated quick response vehicle. We expect this new, rapid-intervention vehicle will enhance the Authority's firefighting capabilities, specifically increasing the distance of our knockdown power, said Steve Petty, Louisville Regional Airport Authority director of public safety. "Its maneuverability should also allow firefighters to respond more quickly to a wide range of airfield incidents."

The new Pulse Delivery technology allows firefighters to deliver dry chemical powder long distances in a truly "dry" form by producing small packets of powder within the nozzle and propelling them forward at speeds of up to Mach 1. The packets have enough force to allow the operator to cast dry chemical powder over 90 feet (27m), more than three times the current capability. Not being entrained in the water stream, the dry chemical can begin suppression the moment it arrives at the source of combustion.

The new QuadAgent technology can attack almost all types of fire with quick fire suppression. QuadAgent allows firefighters to easily and quickly select any combination of four agents: water/foam, CAFS, dry chemical and clean agent to disburse the best firefighting solution right from the nozzle. The QuadAgent system allows for deployment of all agents to over 90 feet (27m), increasing standoff and keeping firefighters a safe distance from the fire.

"The Pulse Delivery technology that propels dry chemicals more than 90 feet is an attractive feature of this vehicle as it quickly initiates fire suppression activities," added Petty. "The ability to quickly and easily select the best firefighting option for any type of fire is critical to our firefighting team and the new QuadAgent technology should enhance our current capabilities."

The Stinger Q4 on display at FDIC is built on the Ford Super Duty F-550 chassis, and carries 120 gal. of water, 500 lbs. of dry chemical agent and a compressed air foam system.

Photo caption: The new Stinger Q4™ Rapid Intervention Vehicle from Oshkosh and Pierce features QuadAgent® and Pulse Delivery® systems for unmatched firefighting performance.

About Pierce Manufacturing, Inc. Pierce Manufacturing Inc., an Oshkosh Corporation [NYSE: OSK] company, is the leading North American manufacturer of custom fire apparatus. Products include custom and commercial pumpers, aerials, rescue trucks, wildland trucks, minipumpers, elliptical tankers, and homeland security apparatus. In addition, Pierce designs its own foam systems and was the first company to introduce frontal airbags and the Side Roll Protection system to fire apparatus. To learn more about Pierce visit www.piercemfg.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®, BAI®, Oshkosh Specialty Vehicles, Frontline™, SMIT™, Geesink™, Norba™, Kiggen™, 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 about Oshkosh Corporation visit www.oshkoshcorporation.com

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

Pulse Delivery® and QuadAgent® systems are registered trademarks of Advanced Fire Control Technologies, Centennial, Colo.

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; a deterioration or downgrade in credit agency ratings; the amount of the second quarter impairment charge pursuant to SFAS No. 142; the cyclical nature of the Company's access equipment, commercial and fire & emergency markets, especially during a global recession and credit crisis; the Company's ability to obtain cost reductions on steel and other raw materials following sharp cost increases in 2008, obtain other cost decreases or achieve product selling price increases; the duration of the global recession and its adverse impact on the Company's share price, which could lead to additional impairment charges related to many of the Company's intangible assets; 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 associated with international operations and sales, including foreign currency fluctuations; the Company's ability to turn around its Geesink business; risks related to the collectability of receivables during a recession, especially access equipment receivables; 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.

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