An enthusiasts special pulled by FS 740 143 on the Bologna - Porretta ("Porrettana") line in 1988.
The engineer is checking the compressor during a stop.
Since at Porretta there was no chance to turn the engine, it had to do the return journey tender-forward.
Photo and scan by Jacopo Fioravanti (jacopofioravanti@katamail.com).