Navistar’s Maxxforce Big Bore Diesel Now Available for Sutphen Custom Emergency Response Vehicles
MaxxForce® 13 Now Available in Sutphen Mid-Mount Aerials and Custom Pumpers

INDIANAPOLIS – April 19, 2012 – Sutphen Corporation is now offering Navistar’s MaxxForce® brand diesel engines in its Sutphen® mid-mount aerial platforms and Monarch® custom pumpers. Buyers of those Sutphen custom apparatus now can specify the MaxxForce 13 big bore diesel, which provides up to 475 horsepower and 1,700 lb.-ft. torque for demanding fire and emergency operations.

“For 120 years, Sutphen’s business has been built on delivering unmatched performance in the most demanding applications,” said Drew Sutphen, president. “With MaxxForce engines, we offer fire and emergency operations another outstanding choice when specifying custom apparatus.”

The 12.4-liter MaxxForce 13 is available now through Sutphen’s 80 sales locations in the United States and Canada. Designed specifically for heavy vehicles, with a combination of technologically advanced materials and components, the MaxxForce 13 engines deliver excellent power characteristics, an exceptionally stable and smooth ride, and maximum reliability and durability.

“The performance ratings of the MaxxForce 13, especially the industry-leading low-end torque, provide our customers an engine option that matches Sutphen’s reputation for setting engineering, technology, innovation, and durability standards in the fire apparatus industry,” said David Rider, Sutphen sales manager.

In addition, in meeting new on-highway emissions standards, MaxxForce Clean Burn™ Emissions Technology provides Sutphen customers with significant operational advantages over SCR-equipped apparatus. These include no additional wheelbase length to accommodate additional tanks or exhaust hardware, no secondary operating fluid to add (urea), no additional driver training, and ease of maintenance.

“Sutphen’s customers, as first responders to emergencies, demand reliable power, performance and durability, and MaxxForce engines deliver,” said Rommel Miranda, general manager, MaxxForce Custom Power, a unit of Navistar’s Engine Group. “We’re proud to add another industry-leading OEM to our list of partners around the world.”

Ease of service also sets the MaxxForce 13 engine apart. All key systems and components are easily accessed, from valve cover to oil filter to fuel filter. A single ECM and fewer electrical connections throughout mean less diagnostic and maintenance time. And MaxxForce engines are backed by a dealer network with nearly 700 service locations across North America.

About Sutphen
Sutphen Corporation is a privately held, family owned business that manufactures custom-built emergency response vehicles. The company's headquarters are located in suburban Dublin, Ohio, northwest of Columbus. For more information, visit

About Navistar
Navistar International Corporation (NYSE: NAV) is a holding company whose sub sidiaries and affiliates produce International® brand commercial and military trucks, MaxxForce® brand diesel engines, IC Bus™ brand school and commercial buses, Monaco® RV brands of recreational vehicles, and Workhorse® brand chassis for motor homes and step vans. The company also provides truck and diesel engine service parts. Another affiliate offers financing services. Additional information is available at


For additional information:

John Dykas
MaxxForce Custom Power
(708) 865-4343

Media contact: Steve Schrier, 331-332-2264
Investor contact: Heather Kos, 331-332-2406
Web site:

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