Cheminee double , grands ecrans pare-fumee , pompe Bi Compound ACFI tender 38m³ , machine et tender Vert , filets rouges Ep. III.
AC analogique echap. fummee , echappement fumee
2-231 K 4 BOULOGNE railways depot , double smoke stack , large smoke deflectors , Bi Compound air pump , ACFI preheating , tender 38m³ Green Locomotive and tender , red fillets Era III
SNCF 2-231 K 4 BOULOGNE ,Doppelschornstein ,groben Windleitblechen ,Bi Compound pumpe , ACFI , tender 38m³ ,grun ,Lackierung mit roten Streifen Ep. III