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. For example Herrenknecht:

This company is very good in refurbishing also. They will do it on request.

Model Year : 2009
Production Date : 2009
Boring Diameter : 3,831 mm
Total Installed Power : 800 kW
TBM Length in Total : 56,4 m
Excavated Meters in Total : 6.435 mt

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

https://www.e-berk.com/hk-m-1393/