Ansaldo FS 851

Built by Ansaldo, Breda, Maffei, OM, Saronno

Top speed

65 km/h

40 mph

Weight

44 t

97,003 lb

Length

9 m

29 ft 6 in

Track gauge

1,435 mm

Standard gauge

Years built

1898–1911

207 units

Axle arrangement

Overview of the Ansaldo FS 851

Discover the impressive FS 851 steam locomotive, a testament to Italian railway engineering.

Built between 1898 and 1911 by renowned manufacturers like Ansaldo and Breda, this machine offered remarkable power for its era.

With a top speed of 65 km/h and operating on a 1435 mm gauge, the FS 851 traveled across the Italian State Railways network.

Its robust design and classification C highlight its capability to handle the demands of rail transport, representing a valuable legacy from the golden age of steam.

Ansaldo FS 851 technical specifications

	Value	Imperial / US
Built by	Ansaldo, Breda, Maffei, OM, Saronno · 1898–1911207 units
Top speed	65 km/h40 mph	40 mph
Track gauge	1,435 mmStandard gauge4 ft 8½ in	4 ft 8½ in
UIC axle arrangement	C
Length	9 m29 ft 6 in	29 ft 6 in
Height	4.22 m13 ft 10 in	13 ft 10 in
Weight	44 t97,003 lb	97,003 lb