TEHRAN – Iran's first national heavy-duty diesel engine, dubbed D87, was unveiled on Thursday, making the country as the 12th manufacturer of the product worldwide.

President Mahmoud Ahmadinejad attended the unveiling ceremony in the northern city of Amol.
Some 70 percent of the engine’s parts are domestic. The capacity will be increased to 90 percent gradually.
Photo:
President Mahmoud Ahmadinejad looks over heavy-duty diesel engine in the northern Iranian city of Amol on Thursday July 23, 2009