MTU Series 881 Diesel Engine Successfully Passes NATO AEP-5 Test

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Proven MTU defense engines complete final inspection in 400-hour NATO AEP-5 test

MTU has long been a leader in the development of high speed diesel engines for defense applications. In September, the 8V configuration of MTU's Series 881 defense engine (MT881 KA501) became the latest in a long line of MTU engines to successfully complete NATO AEP-5 (Allied Engineering Publication) testing.

The 400-hour test was conducted by the Tognum subsidiary MTU at Bundeswehr Technical Center for Automotive and Armored Vehicles (WTD 41), an official German Army testing site located in Trier, Germany. The test is an accelerated life test, which is meant to simulate the entire life cycle of the engine. It was performed in accordance with the international standards set forth in NATO AEP-5, which require that the engine is run 200 hours on jet engine fuel (JP8) and 200 hours on regular diesel fuel.

The MTU Series 881 is a high-speed common-rail diesel engine that offers up to 1,200 bhp at 3,000 rpm. It is currently in use by several armed forces including the Turkish Army for its M60 tank upgrade program and the U.S. Marine Corps for its Expeditionary Fighting Vehicles, among others.

About MTU
MTU Detroit Diesel, Inc. is the North American regional headquarters of MTU Friedrichshafen GmbH, one of the world's most important providers of diesel engines and drive and propulsion systems for ships, heavy-duty land and rail vehicles, and distributed energy. It offers a complete line of power solutions from 30 to 12,200 bhp (20 to 9,100 kW) for applications in the marine, rail, power generation, oil and gas, agriculture, mining, construction and industrial, and defense markets. MTU Detroit Diesel is part of the MTU Engines division of Tognum AG. http://www.mtu

About Tognum
With its two business units, "Engines" and "Onsite Energy & Components", the Tognum Group is one of the world's leading suppliers of engines, propulsion systems and distributed energy systems. These products are based on diesel engines with up to 9,100 kilowatts (kW) power output, gas engines up to 2,150 kW, fuel cells up to 360 kW and gas turbines up to 50,000 kW.

The product portfolio of the "Engines" business unit comprises MTU engines and propulsion systems for ships, for heavy land, rail and defense vehicles, and for the oil and gas industry. The portfolio of the "Onsite Energy & Components" business unit includes distributed energy systems of the brand MTU Onsite Energy, fuel-injection systems from L'Orange, and drive shafts from Rotorion. The energy systems comprise diesel engines for emergency power generation, basic and peak load, and cogeneration power plants based on gas engines, fuel cells and gas turbines that generate both electricity and heat.

In 2008, Tognum generated revenue of more than €3.1 billion and employs more than 8,900 people. Tognum has a global distribution and service structure with 26 fully consolidated subsidiaries, more than 140 sales partners and over 500 authorized dealerships at approximately 1,200 locations. The shares of Tognum AG (ISIN: DE000A0N4P43) have been stock-exchange listed since 2007 and are included in the MDAX.

Jennifer Riley
Public Relations Manager
MTU Detroit Diesel
(313) 592-8103

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