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MAZDA BEGINS MIXED-MODEL PRODUCTION OF V6 AND I-4 ENGINES

- Industry-First Production Line Capabilities Increase Volume and Flexibility -

Jul 19, 2007

HIROSHIMA, JAPAN, July 19, 2007 – Mazda Motor Corporation today announced that it has begun mixed-model production at its Ujina engine plant near Mazda’s headquarters in Hiroshima. The newly redesigned production line now produces both the new 3.7L V6 and the current in-line four-cylinder engines (1.8L-2.3L MZR engines). The 3.7L V6 will be used in the new 2008 CX-9, scheduled to go on sale in North America later this summer.

The production line was redesigned to accommodate “mixed model production,” which aims to achieve both diversity and high efficiency by applying Mazda’s latest production and manufacturing technologies to various engine parts, including the cylinder block and head, crankshaft, camshaft and connecting rods, as they move along the line. Specific jigs and tools that previously had to be changed for the different engines have been replaced with generic equipment. The result is a consolidated process that requires less investment in equipment and supports flexible production, which is a production method that supports efficient and fast changes in production model and volume.

“Achieving mixed model production for the V6 and in-line four cylinder gasoline engines at the Ujina plant is the first step toward volume and model mix flexible production, which lies at the heart of Mazda’s concept of manufacturing innovation,” said Masaharu Yamaki, Mazda’s senior managing executive officer in charge of production and business logistics. “Going forward, Mazda will progressively introduce the latest techniques to its facilities in Japan and overseas, as part of its manufacturing innovation. We will continue to support improvements in production that raise the brand value and enhance our business efficiency under the ‘One Mazda’ banner.”


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