Vickers Terni E551

Built by Ansaldo, Breda, CGE, OM, Reggiane, SNOS, TIBB, Vickers Terni

Top speed

50 km/h

31 mph

Power output

2,000 kW

2,682 hp

Weight

75 t

165,347 lb

Length

11.01 m

36 ft 1 in

Track gauge

1,435 mm

Standard gauge

Years built

1921–1925

183 units

Overview of the Vickers Terni E551

Explore the impressive FS E551 electric locomotive, a remarkable model from Italian State Railways.

Built between 1921 and 1925 by renowned manufacturers such as Ansaldo, Breda, and CGE, this locomotive was a significant workhorse.

With a top speed of 50 km/h and a powerful output of 2000 kW, the FS E551 was a reliable force for the Italian railway network.

Its robust construction is evident in its weight of 75 tons and a length of 11.01 meters. The 3.6 kV AC 16.7 Hz electric system powered this formidable machine, a true testament to early 20th-century engineering.

Vickers Terni E551 technical specifications

	Value	Imperial / US
Built by	Ansaldo, Breda, CGE, OM, Reggiane, SNOS, TIBB, Vickers Terni · 1921–1925183 units
Top speed	50 km/h31 mph	31 mph
Power output	2,000 kW2,682 hp	2,682 hp
Electric systems	3.6 kV AC 16.7 Hz (2000 kW)
Track gauge	1,435 mmStandard gauge4 ft 8½ in	4 ft 8½ in
UIC axle arrangement	E
Length	11.01 m36 ft 1 in	36 ft 1 in
Width	2.85 m9 ft 4 in	9 ft 4 in
Height	3.74 m12 ft 3 in	12 ft 3 in
Weight	75 t165,347 lb	165,347 lb