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2nd Cat TBM Completes Its Toronto Subway Mission
Earth Pressure Balance TBM
Caterpillar Tunneling specializes in the custom design and manufacture of Tunnel Boring Machines (TBMs) utilized in the construction of metro, railway, road, sewer, water main, penstock, mine access and telecommunications tunnels.
Caterpillar is the world's leading manufacturer of construction and mining equipment, diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives.