Metrovagonmash 81-717.4

Built by Metrovagonmash

Top speed

90 km/h

56 mph

Track gauge

1,435 mm

Standard gauge

Years built

1976–1988

Overview of the Metrovagonmash 81-717.4

Discover the robust 81-717.4 EMU, a reliable workhorse of the Sofia Metropolitan.

This electric multiple unit, built by Metrovagonmash between 1976 and 1988, is designed for efficient urban transit.

With a top speed of 90 km/h and a standard gauge of 1435 mm, the 81-717.4 offers a substantial 19.21-meter car length.

Its 2.67-meter width and 3.65-meter height accommodate modern infrastructure, while its operation on 750 V DC via a 3rd rail ensures consistent power delivery.

Experience the dependable performance of this classic locomotive in service.

Metrovagonmash 81-717.4 technical specifications

	Value	Imperial / US
Series	81-717
Built by	Metrovagonmash · 1976–1988
Top speed	90 km/h56 mph	56 mph
Electric systems	750 V DC (3rd rail)
Track gauge	1,435 mmStandard gauge4 ft 8½ in	4 ft 8½ in
Car length	19.21 m63 ft 0 in	63 ft 0 in
Width	2.67 m8 ft 9 in	8 ft 9 in
Height	3.65 m12 ft 0 in	12 ft 0 in