LISLE, Ill. — March 7, 2014 — Navistar, Inc. announced today it is expanding its transmission offerings on the International^® DuraStar^® with the Cummins ISB 6.7 liter engine. The company will now offer the Allison^® 3000 Series transmission on its proven platform to deliver a combination of power, performance and reliability for a range of vocational applications including dump, utility and crane applications.

“We are excited to offer our vocational customers more choice by providing expanded transmission options for the DuraStar with ISB,” said Bill Kozek, president, North America truck and parts, Navistar. “In addition to our transmission offerings, the DuraStar is available with the broadest array of engine offerings in the industry and backed by our extensive dealer network, providing superior after-sales support.”

The DuraStar provides a swept back front windshield for improved visibility, a 50-degree wheel cut offering a tight turning radius and a roomy cab for driver comfort. The vehicle also comes standard with Diamond Logic^® electronic control system, one of the most advanced electrical multiplexing architectures available in commercial trucks. Diamond Logic maximizes ease of body integration and helps deliver a number of smart, customizable features for added convenience and safety.

DuraStar features:

Engine offerings:

• MaxxForce^® 7
• MaxxForce^® DT
• MaxxForce^® 9
• Cummins ISB 6.7

Transmissions

• Eaton 5, 6 and 10- Speed Manual
• Eaton UltraShift^® 5 and 6 Speed Automated Manual
• Allison 1000, 2000 and 3000 Series (HS, EVS, RDS) Automatic
• Allison 3000 TRV Series Automatic

About Navistar

Navistar International Corporation (NYSE: NAV) is a holding company whose subsidiaries and affiliates produce International^® brand commercial and military trucks, MaxxForce^® brand diesel engines and IC Bus^™ brand school and commercial buses. A subsidiary of the company also provides truck and diesel engine service parts. Another affiliate offers financing services. Additional information is available at www.Navistar.com/newsroom.

All marks are trademarks of their respective owners.

Media Contact: Elissa Maurer, 331-332-2669