13,21 meter Herrenknecht Tunnel Boring Machine breaks through at CBBT in the USA source: Herrenknecht press release https://www.herrenknecht.com/en/newsroom/pressreleasedetail/durchbruch-fuer-eines-der-sieben-weltwunder-der-neuzeit/

CRCHI Chinese-made Tunnel Boring Machine Exported to the Solomon Islands for the First Time CRCHI Media Press release http://en.crchi.com/art/2025/2/17/art_40592_5063247.html

CREG U-shaped TBM source CREG media press release. http://en.crectbm.com/detail/9578.html

CIDCO Fresh Water Tunnel Project Terratec Tunnel Boring Machine cutterhead lowered to shaft. source: TERRATEC https://terratec.co/terratec-3-2m-diameter-open-tbm-ready-for-cidco-fresh-water-tunnel-project-in-maharashtra/

  in article used https://tunnelcontact.com/discussion/view/60728/crchi-large-diameter-open-type-rock-tbm-rolls-off-the-assembly-line-for-the-south-to-north-water-diversion-project source...

  source CRCHI press release https://en.crchi.com/art/2024/12/18/art_40592_5045006.html

source Herrenknecht press release https://www.herrenknecht.com/en/newsroom/pressreleasedetail/herrenknecht-liefert-indiens-groesste-tunnelbohrmaschinen/   

CRCHI TBM passes FAT as Gülermak - Budimex prepare for boring the railway tunnel in Malopolska in...

TERRATEC Tunnel Conveyors drive progress for Metro Manila Subway Project in the Philippines  source: https://terratec.co/terratec-tunnel-conveyors-drive-progress-for-metro-manila-subway-project-in-the-philippines/

Webuild Tunnel Boring Machines currently operating around the world Courtesy of Webuild press release https://www.webuildgroup.com/en/media/press-notes/webuilds-largest-tbm-europe-has-arrived-salerno-work-continues-first-lot-salerno/