Spain

Built in 1927 and still running a daily service (in 2015), Ferrocarril de Soller  class AABFVH2, No. 4 stands at Palma on 4th August 2015 with the 10:10 service to Soller.

Here is a list of the multiple units I have seen in Spain (Majorca):

Class AABFVH2 (Ferrocarril de Sollier):
1  2  3  4

Trams-Sollier (Ferrocarril de Sollier):
1  2  3  22  23  24

Class 61 (Palma Metro):
6117 6118 6119 6120 6135 6136 6139 6140
Class 71 (Palma Metro):
7111 7112 7115 7116
Class 81 (Palma Metro):
8105 8106 8109 8110 8111 8112 8113 8114 8119 8120 8121 8122 8123 8124 8125 8126
Class 91 (Palma Metro):
9102 9103 9104 9111 9112