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NAVISTAR CONTINUES COMMITMENT TO VOCATIONAL SEGMENTS WITH NEW PRODUCT OFFERINGS   Navistar, Inc. has announced it continues to invest in its severe service and medium- duty product lines by expanding vehicle enhancements and powertrain choices on International ®  brand vocational truck models. As well, the company will add SCR emissions technology to its high horsepower mid-range engines starting this summer.  The company’s medium-duty SCR transition began in September 2013 with the International ®  DuraStar ®  and the Cummins ISB 6.7 liter engine. MaxxForce ®  9 and MaxxForce ®  10 engines with SCR will be available exclusively on the International DuraStar and International ® WorkStar ®  vehicles.   The International ®  TerraStar ® , 2014 ATD Medium-Duty Truck of the Year, will also be offered with added enhancements. The Allison ®  Optimized 1000 Series transmission with an optional 6th speed is now available exclusively on the TerraStar. With the addition of the 6th speed, the close ratio, fully automatic transmission offers improved fuel economy, lower engine noise and optimized performance. The TerraStar also has a refined front suspension, providing a smoother ride especially over rough terrain.  All International ®  vocational trucks also feature the International Diamond Logic ®  electrical system, a customizable truck computer module that integrates communication between the truck and exterior equipment like plows, dumps and spreaders. RETURN TO TABLE OF CONTENTS WHAT’S NEW from the OEMs TRUCKS SPRING 2014 53