HZTM SO

Built by BMZ, HZTM, Lugansk

Top speed

70 km/h

43 mph

Weight

95 t

209,439 lb

Length

12.6 m

41 ft 4 in

Track gauge

1,524 mm

Russian broad gauge

Years built

1934–1951

4,487 units

Axle arrangement

1'E h3

Overview of the HZTM SO

Explore the powerful SO steam locomotive, a significant piece of railway history.

This robust 2-10-0 steam locomotive, also known by its UIC classification 1'E h3, was built for the 1524 mm gauge railway lines. Manufactured by BMZ, HZTM, and Lugansk between 1934 and 1951, it boasts a considerable presence.

Weighing 95 tons and reaching speeds of up to 70 km/h, the SO locomotive's substantial 12.6-meter length reflects its design for heavy hauling.

The SO model played a crucial role in operations for Russian Railways as RZD SO and Ukrainian Railways as UZ SO17, demonstrating its versatility and importance in the region's rail networks.

HZTM SO technical specifications

	Value	Imperial / US
Built by	BMZ, HZTM, Lugansk · 1934–19514,487 units
Top speed	70 km/h43 mph	43 mph
Track gauge	1,524 mmRussian broad gauge5 ft 0 in	5 ft 0 in
UIC axle arrangement	1'E h3
Whyte notation	2-10-0
Length	12.6 m41 ft 4 in	41 ft 4 in
Weight	95 t209,439 lb	209,439 lb