Sep 26, 2025
Tunnel boring machine costs can be $5 million for small ones. The biggest machines can cost over $100 million.
Most TBMs cost around $15 million each.
Regular construction TBMs usually cost $500,000 to $3 million.Custom-built TBMs are made for special projects. These machines work better and may save money later. They often cost more at first. Knowing all the cost details helps you plan well and avoid problems.
Key Takeaways
Tunnel boring machines (TBMs) can cost from $5 million to over $100 million. Knowing the price range helps you plan your budget well.
Picking the right TBM size and type is very important. Smaller machines cost less. Bigger, custom machines may save money later.
You can rent a TBM for short jobs. Renting lowers starting costs. It gives you more choic...
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