CNR Italia D225.5

Built by Aerosicula, CNR Italia, IMER

Top speed

50 km/h

31 mph

Power output

129 kW

173 hp

Weight

32 t

70,548 lb

Length

7.68 m

25 ft 2 in

Track gauge

1,435 mm

Standard gauge

Years built

1973–1978

45 units

Overview of the CNR Italia D225.5

Discover the D225.5 diesel locomotive, a robust workhorse of the Italian State Railways.

This versatile diesel locomotive, part of the D225 series, was built by Aerosicula, CNR Italia, and IMER between 1973 and 1978, with 45 units produced.

Known for its sturdy 0-4-0 Whyte notation and B' UIC axles, the D225.5 is designed for reliability and efficient operation on standard gauge (1435 mm) tracks.

With a length of 7.68 meters and a weight of 32 tons, it boasts a prime mover of JW 400 and an impressive power output of 129 kW.

Though its top speed is 50 km/h, its robust construction and dependable performance make it an essential part of Italy's railway heritage.

Explore the details and images of this classic diesel locomotive and its role in Italian rail transport.

CNR Italia D225.5 technical specifications

	Value	Imperial / US
Series	D225
Built by	Aerosicula, CNR Italia, IMER · 1973–197845 units
Top speed	50 km/h31 mph	31 mph
Power output	129 kW173 hp	173 hp
Prime mover	JW 400
Track gauge	1,435 mmStandard gauge4 ft 8½ in	4 ft 8½ in
UIC axle arrangement	B'
Whyte notation	0-4-0
Length	7.68 m25 ft 2 in	25 ft 2 in
Width	3,800 m12467 ft 2 in	12467 ft 2 in
Weight	32 t70,548 lb	70,548 lb