TU7 diesel locomotive

TU7 - TU7A
Type and origin
Power typeDiesel
BuilderKambarka Engineering Works
Build date1971 - today
Specifications
Configuration:
​
 • UICB'B'
Gauge750 mm (2 ft 5+1⁄2 in) to
1,435 mm (4 ft 8+1⁄2 in)
Wheel diameter600 mm (23.62 in)
Minimum curve40 m (131.23 ft)
Length9,400 mm (30 ft 10+1⁄8 in)
Width2,450 mm (8 ft 1⁄2 in)
Height3,550 mm (11 ft 7+3⁄4 in)
Axle load5 t (4.9 long tons; 5.5 short tons) (?)
Loco weight24 t (24 long tons; 26 short tons)
Fuel typeDiesel
Prime moverBernaul 1D12-400
Engine typeV12 diesel
Cylinders12
Transmissionhydraulic
Performance figures
Maximum speed50 km/h (31 mph)
Power output400 hp
Career
Class RUS - ТУ7 / ТУ7А
 Belarus - ТУ7 / ТУ7А
 Bulgaria - TU7E (series 81 БДЖ)
 Slovakia - TU46
 Vietnam - D4H / D4Hr
 Ukraine - ТУ7 / ТУ7А
 Estonia - ТУ7 / ТУ7А
 Latvia - ТУ7 / ТУ7А
 Lithuania - ТУ7 / ТУ7А
 Cuba - TU7E
 Guinea - TU7E

TU7 (ТУ7) - Soviet, later Russian diesel locomotive for gauge 750 mm (2 ft 5+1⁄2 in) – 1,067 mm (3 ft 6 in).