An Orenstein & Koppel diesel switching locomotive, metric gauge, from the Indústrias Reunidas Francisto Matarazzo ("Francisco Matarazzo United Industries"). This photo was originally show by Karl-Heinz Hahmann in the Barra Funda switching yards of E.F. Sorocabana in 1946. This copy is courtesy from Alberto H. del Bianco, from Porto Ferreira SP.