Diesel locomotive D 343 of the Italian State Railways. Model from the series 1000 with round head windows, little FS logo and raised trim stripes. The locomotives of the series D 343 were developed to replace the steam locomotives on the non electrified lines in the passenger and freight train service. They were built from 1967 until 1975 at Breda and Fiat in two series with different engines. The locomotives had a power output of 785 kW and reached a top speed of 130 km/h.