Tunnel Boring Machines
If you are in the trenchless industry, you are sure to be familiar with the legacy that Akkerman TBMs have created. While this time-tested and proven technology has been successfully installing thousands of tunnels around the world, we have been busy advancing the technology to maximize performance, expand capabilities, and increase versatility.
FEATURES:
- TBMs can operate in pipe jacking or two‑pass tunneling modes.
- Easy to operate with on‑board manual controls.
- Accurate and reliable tunnel laser guidance with three‑point sealed articulation.
- Interchangeable cutterhead allows underground swaps if ground conditions change.
- Closed‑face attachments and screw augers available for raveling ground.
- Disc cutter heads available for rock up to 15,000 psi.
- On‑board methane gas detection system.
- Easy access to the face for obstruction removal.
- High‑capacity TBM bearing with powerful two‑speed hydraulic drive.
- Optional Earth Pressure Balance mode up to 1 bar.
- Increase kits available for all TBM models; diameters can be adjusted to match product pipe.
SPECIFICATIONS
Print This Page| Model | Torque Max | TBM OD (Nominal) | Mode |
|---|---|---|---|
| WM48SC | 50,000 ft-lbf | 48-in. | Open / Closed Face |
| WM420D | 53,000 ft-lbf | 51-52.5 in. | Open / Closed Face |
| WM480D/II | 96,000 ft-lbf | 58-60 in. | Open / EPB / Closed Face |
| WM540II | 111,000 ft-lbf | 65-66.5 in. | Open / EPB / Closed Face |
| WM600II | 128,000 ft-lbf | 72-74 in. | Open / EPB / Closed Face |
| WM720II | 240,000 ft-lbf | 86-88 in. | Open / EPB / Closed Face |
| WM840II | 440,000 ft-lbf | 96-98 in. | Open / EPB / Closed Face |
| WM960II | 550,000 ft-lbf | 114-116 in. | Open / EPB / Closed Face |
- Increase kits are available.
- EPB Mode requires optional bulkhead kit.
Testimonials
12 years ago, we purchased our first Akkerman equipment. We own two Akkerman TBM spreads and we have nothing but favorable things to say about Akkerman and their equipment.