An ALCO RS-3 diesel-electric locomotive. This unit, recently repowered with the propulsion system of the G.E. U-20 diesel-electric locomotive, belonged to the former E.F. Central do Brasil and C.B.T.U.. Now this machine is used for maintenance services at the C.P.T.M. lines. Photo shot by Alex Elias Ibrahim, from São Paulo SP; he kindly sent a copy for the E.F. Brasil site.