DFH1, DFH3, DFH4 东方红1、东方红3、东方红4 |
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DFH3-0009 at Beijing Railway Museum (2010) |
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| Specifications |
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Configuration:
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| • UIC | DFH1,DFH3 B’B’ DFH4 6 axle |
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| Gauge | 1,435 mm (4 ft 8+1⁄2 in) |
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| Wheel diameter | DF1, DF3 1,050 mm (41.34 in) DF4 ? |
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| Minimum curve | DF1, DF3 145 m (476 ft) DF4 ? |
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| Length | DFH1 16.550 m (54 ft 3.6 in) DFH3 17.970 m (58 ft 11.5 in) |
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| Width | DFH1 3.106 m (10 ft 2.28 in) DFH3 3.279 m (10 ft 9.09 in) |
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| Height | DFH1 4.516 m (14 ft 9.80 in) DFH3 4.450 m (14 ft 7.20 in) |
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| Loco weight | DFH1 84 t (83 long tons; 93 short tons) DFH3 92t |
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| Prime mover | DFH1 2 of 12V175Z, 12V180Z or 12V175ZL DFH3 12V180JZ DFH4 2 of 12V200ZL later 12V200ZJ |
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| Transmission | DFH1 hydraulic 12175Z (2 of) |
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| Performance figures |
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| Maximum speed | DFH1 140 km/h (87 mph)*, 120 km/h (75 mph)† DFH3 120 km/h (75 mph) |
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| Power output | DFH1 1,060 kW (1,420 hp)*, 1,220 kW (1,640 hp)† DFH3 2*730 kW (980 hp), 2*820 kW (1,100 hp)¤ DFH4 3,308 kW (4,436 hp)¶ |
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| Tractive effort | DFH1250 kN (56,000 lbf) / 270 kN (61,000 lbf) (maximum) DFH3 271 kN (61,000 lbf) (maximum) |
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- First 73 units
† Final 36 units ‡ NY1 prototype ¤ Two units produced in 1986 of higher power ¶ First units produced were of higher power
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The China Railways DFH1 (Chinese: 东方红1) was a type of 4-axle B'B' single-cab diesel-hydraulic locomotive used on mainline passenger services; the DFH3 (Chinese: 东方红3) was a later development of a similar design but with two driving cabs.
The China Railways DFH4 (Chinese: 东方红4) was a 6-axle high-powered freight and passenger locomotive, it did not reach mass production.