Dear friends, I am posting here for a friend. I am not working for that company. If you want to ask questions about this TBM please visit their internet site I give link below and ask them.

That company (E-BERK) product own tunnel boring machines. But they also refurbish TBM of other manufacturers. They can refurbish it on request. For example Herrenknecht:

It is an Earth Pressure Balance TBM.

Model : HK S-325

Serial Number : DS1922a00Cc
Year of Manufacture : 2006
TBM Type : EPB-Shield

On their internet site they have detailed technical specifications you download PDF.

https://www.e-berk.com/hk-s-325-eng/