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  2. Shield Tunneling Machines - Making better use of underground spaces all around the world -

Shield Tunneling Machines - Making better use of underground spaces all around the world -

Hitachi Zosen has been producing shield tunneling machines since 1967 and has already supplied over 1,200 machines to clients in Japan and around the world. Our advanced technology has been used to create a number of world-first products. Hitachi Zosen contributes to social infrastructure through creation of underground spaces.

First ever multi-face shield tunneling machine (used on JR Keiyo line)

First ever triple continuous multi-face shield tunneling machine (used on the Osaka’s Subway, Nagahori Tsurumi-ryokuchi line)

14.14 m diameter slurry-type shield tunneling machine (used on Tokyo Wan Aqua-line Expressway)

Largest diameter earth pressure balance (EPB) shield tunneling machine in Japan (used on Shinagawa line of Central Circular Route)

First ever rectangular shield tunneling machine

Earth pressure balance (EPB) shield tunneling machine (used on Keihan, Nakanoshima line)