Pierce Offers New Cummins ISX15 Liter Engine

APPLETON, Wis. (April 19, 2010) – Pierce Manufacturing, an Oshkosh Corporation (NYSE:OSK) company, today announced that it will be offering the new Cummins ISX15 fifteen liter engine on the Pierce Velocity® custom chassis. The engine delivers an impressive 550 horsepower and 1850 ft-lbs of torque, and will be on display at the Pierce booth #8647 at the Fire Department Instructors Conference (FDIC) in Indianapolis, Ind., April 22-24.

"Pierce is synonymous with custom fire apparatus and providing more choices for our customers. That's why we're excited to announce the availability of the Cummins all new ISX15 fifteen liter engine," said Wilson Jones, Oshkosh Corporation executive vice president and president, Fire & Emergency. "With its outstanding power, fuel economy and reduced emissions, it's a great choice for departments that demand the most from their apparatus."

The EPA 2010 compliant Cummins ISX15 engine offers superior driving performance; improved fuel economy and emissions levels are reduced to near zero without sacrificing reliability or durability. In addition, Pierce engineers have developed a patent pending packaging solution that will not adversely affect wheelbase length, cab and compartment space, or choice of options on the vast majority of apparatus. Other Cummins engine choices available on Pierce vehicles will include the ISC8.3, ISL9 and the ISX11.9.

Photo Caption: Pierce Manufacturing will be offering the Cummins ISX15 fifteen liter engine (available summer 2010) on Velocity® custom fire apparatus.

About Pierce Manufacturing
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 Corporation 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®. The Oshkosh brands 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.