© trainspo.comKMZ TU7A
Built by KMZ
Overview of the KMZ TU7A
Discover the TU7A, a versatile diesel locomotive designed for narrow-gauge railways.
Built by KMZ between 1971 and 2010, this robust engine operates on 750 mm gauge tracks and boasts a powerful 294 kW output.
With a top speed of 50 km/h, the TU7A is perfectly suited for industrial lines and secondary routes.
Weighing 24 tons and measuring 9.22 meters, it's a compact yet capable workhorse.
The TU7A serves various operators, including Russian Railways (RZD), Belarusian Railway (BCh), and Ukrainian Railways (UZ), as well as private companies across Russia, Belarus, Latvia, and Kazakhstan.
Its reliability and adaptability have made the TU7A a trusted locomotive, integral to many rail networks.
KMZ TU7A technical specifications
| Value | Imperial / US | |
|---|---|---|
| Series | TU7 | |
| Built by | KMZ · 1971–2010 | |
| Top speed | 50 km/h31 mph | |
| Power output | 294 kW394 hp | |
| Track gauge | 750 mmNarrow gauge2 ft 5½ in | |
| UIC axle arrangement | B'B' | |
| Length | 9.22 m30 ft 3 in | |
| Weight | 24 t52,911 lb |
Operators of the KMZ TU7A
Railway companies that have operated the TU7A, with the class designation used by each of them.
| Operator | Class | Country |
|---|---|---|
| Belarusian Railway | BCh TU7A | Belarus |
| Kazakhstan Temir Zholy | KTZ TU7A | Kazakhstan |
| Gulbenes-Aluksne Banitis | GAB TU7A | Latvia |
| Private owners group | @private-ru TU7A | Russia |
| Russian Railways | RZD TU7A | Russia |
| Ukrainian Railways | UZ TU7A | Ukraine |
KMZ TU7A photos
Photos © their respective authors, shared on trainspo.com. They may show liveries or variants that differ from the specifications above.
More diesel locomotives from KMZ

KMZ
TU7
Diesel locomotive
1971–2010 · 50 km/h

KMZ
TU6A
Diesel locomotive
1973–1988 · 50 km/h

KMZ
TU6D
Diesel locomotive
1978–1988 · 50 km/h

KMZ
TU4
Diesel locomotive
1962–1974 · 50 km/h

KMZ
TU7E
Diesel locomotive
1975–1980 · 50 km/h

KMZ
TU6P
Diesel locomotive
1985–1988 · 50 km/h

KMZ
TU8
Diesel locomotive
1987 · 50 km/h

KMZ
TGM40
Diesel locomotive
1982 · 40 km/h
Similar diesel locomotives from other manufacturers

TGR
Tasmanian V Class
Diesel locomotive
152 kW

EMD
DDM45MP
Diesel locomotive
1970–1976 · 60 km/h

CZ LOKO
EffiShunter 300
Diesel locomotive
60 km/h

Knotz
WL UDZ
Diesel locomotive
40 km/h

Eimco
PSL27 Mk1
Diesel locomotive
537 kW

Gmeinder
V 51 / 251
Diesel locomotive
1964 · 40 km/h

EMD
GA-8
Diesel locomotive
652 kW

Sofer
D225.21
Diesel locomotive
1971–1974 · 50 km/h