Ansaldo E656

Built by Ansaldo, Casaralta, Reggiane, Sofer, TIBB

Top speed

150 km/h

93 mph

Power output

4,200 kW

5,632 hp

Weight

120 t

264,554 lb

Length

18.29 m

60 ft 0 in

Track gauge

1,435 mm

Standard gauge

Years built

1975–1989

459 units

Overview of the Ansaldo E656

Discover the E656 locomotive, affectionately known as the "Caimano," a powerful and versatile Italian electric locomotive.

Built between 1975 and 1989 for Italian State Railways (FS), this impressive machine boasts a top speed of 150 km/h and an output of 4200 kW, making it a reliable workhorse for both freight and passenger services.

With its 18.29-meter length, 120-ton weight, and robust Bo'Bo'Bo' axle configuration, the E656 is a testament to Italian engineering, operating on 3 kV DC electrical systems and continuing its service with operators like Mercitalia Rail and Rete Ferroviaria Italiana.

Ansaldo E656 technical specifications

	Value	Imperial / US
Series	Caimano
Built by	Ansaldo, Casaralta, Reggiane, Sofer, TIBB · 1975–1989459 units
Top speed	150 km/h93 mph	93 mph
Power output	4,200 kW5,632 hp	5,632 hp
Tractive effort	249 kN55,977 lbf	55,977 lbf
Electric systems	3 kV DC
Track gauge	1,435 mmStandard gauge4 ft 8½ in	4 ft 8½ in
UIC axle arrangement	Bo'Bo'Bo'
Length	18.29 m60 ft 0 in	60 ft 0 in
Width	3 m9 ft 10 in	9 ft 10 in
Height	3.8 m12 ft 6 in	12 ft 6 in
Weight	120 t264,554 lb	264,554 lb