| TU7 - TU7A |
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| Specifications |
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Configuration:
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| • UIC | B'B' |
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| Gauge | 750 mm (2 ft 5+1⁄2 in) to
1,435 mm (4 ft 8+1⁄2 in) |
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| Wheel diameter | 600 mm (23.62 in) |
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| Minimum curve | 40 m (131.23 ft) |
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| Length | 9,400 mm (30 ft 10+1⁄8 in) |
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| Width | 2,450 mm (8 ft 1⁄2 in) |
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| Height | 3,550 mm (11 ft 7+3⁄4 in) |
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| Axle load | 5 t (4.9 long tons; 5.5 short tons) (?) |
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| Loco weight | 24 t (24 long tons; 26 short tons) |
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| Fuel type | Diesel |
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| Prime mover | Bernaul 1D12-400 |
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| Engine type | V12 diesel |
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| Cylinders | 12 |
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| Transmission | hydraulic |
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| Performance figures |
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| Maximum speed | 50 km/h (31 mph) |
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| Power output | 400 hp |
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TU7 (ТУ7) - Soviet, later Russian diesel locomotive for gauge 750 mm (2 ft 5+1⁄2 in) – 1,067 mm (3 ft 6 in).
