Three available locomotives Schöma CHL-350 BB with tandem unit CHL-200 each one. All of them have been used in two jobsites where the excavated ground was transported by belt conveyor. They have always been used for transport of segments and mortar to the TBM, using a clean railway. They are all in good condition, and can be tested on the railway. Many spare parts are also available.

The locomotives are currently stored in different jobsites around Spain.