Tunnel Boring Machine Diameter-18’3″, 72″ boring stroke, 450 feet per min, conveyor 30″ wide, Max hydraulic pressure 5000 PSI, 39 cutting disks,
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Tunnel Boring Machine Diameter-18’3″, 72″ boring stroke, 450 feet per min, conveyor 30″ wide, Max hydraulic pressure 5000 PSI, 39 cutting disks,