The locomotives were given the name Astride, derived from Asynchrone Tri-system Drive Engine, the external design was by MDB design. Sixty locomotives were delivered between 1997 and 2002; numbered BB36001 to BB36060.
The locomotives were called Astride, named after the Asynchrone Tri-system Drive Engine they used, with MDB design handling their external appearance. Sixty of these locomotives were delivered between 1997 and 2002, with numbers BB36001 to BB36060 assigned.