MTU Turbomeca Rolls-Royce

MTU Turbomeca Rolls-Royce GmbH (MTR) is a multinational engine manufacturer established to develop, manufacture, and service the MTR390 turboshaft engine. It is a joint venture by three European aero-engine manufacturers, Germany's MTU Aero Engines, France's Turbomeca and Britain's Rolls-Royce.

To date, the company's only product has been the MTR390, which was specifically developed for helicopter applications. It powers the Eurocopter Tiger attack helicopter.