" the sixth such machine produced by China Railway Construction Heavy Industry Co., Ltd (CRCHI) for export to Italy. " Its diameter is 9.28. It will bore high speed railway tunnel from Palermo, and Catania in Sicily...

This Herrenknecht Tunnel Boring Machine has an excavation diameter of 10,4 meters and it is a gripper TBM. Reported in  Tunnelling Journal. The fifth of the seven TBMs to be used for excavation of the Lyon-Turin Rail Tunnel has been...

https://www.youtube.com/watch?v=1DrLQGxpj1Q Santa Clara Valley Transportation Authority (VTA) of California in USA chooses Herrenknecht as their Tunnel Boring Machine needs. The $76 million TBM will be one of the largest such machines ever to...

scale model of the tunnel boring machine used in the construction of the Metro Manila Subway, during the unveiling of the Metro Manila Subway and North-South Commuter Railway Exhibit, at the Valenzuela City Hall...