Every Saturday, the volunteer members maintain and restore the rolling stock of the CFV3V.

The tools available to the workshop of Treignes  can perform almost all the work on the rolling stock in service or being restored for the Steam Train of the Three Valleys …

Include:
• A dozen of various machine tools (lathes, column drill , band saw, …)
• A pool of spare parts
• Material handling heavy:

• A bridge crane of 20 tons
• A lifting trestle game (total load of 100 tons)
• A set of 4 legs (total load 80 tons)

… This specialized equipment is handled by qualified staff for security reasons!

The workshop, located in the buildings of the museum of Treignes ,  can also be visited by  a secure gateway.