FS, Diesel locomotive of the series D.445
3rd batch with four front lights, "XMPR" color scheme (1st version)

Technical features:
- Mechanics with metal frame, 5-pole central motor with double cardan shaft transmission to both axles of the two bogies, two wheels with gripping ring

- Electrical system with Next18 interface (NEM 662) for DCC decoder and DCC sound, connection for 11 x 15 mm "sugar cube" speaker

- White front light and red tail light with automatic switching depending on the direction of travel, with independent control of red and third light (in digital operation) and the possibility of selective shutdown of the headlights, in digital operation via decoder and in analog operation via DIP switch

- Headlights, front windows, FS logos, and couplings consistently differentiated according to series and era.