China Railways DF9
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The DF9 (Chinese: 东风9) was the first Chinese semi-high-speed diesel locomotive with a top speed of 160 km/h (99.4 mph), which was successfully developed by Qishuyan Locomotive and Rolling Stock Works in 1990. As a China's Eighth Five-Year Plan scientific and technological project, the DF9 diesel locomotive adopts wheel-to-hollow shaft traction motor full suspension drive system, high-flexibility second-series round springs, lightweight body and other technologies. Although the only two DF9s produced were scrapped in 2011, it laid the foundation for the development of DF11 diesel locomotives.
Overview[edit]
It belongs to the China's Eighth Five-Year Plan one of the key national science and technology projects, it was not only the second locomotive equipped with a 280/285 series diesel engine after the DF8 diesel locomotive, it was also the electric transmission diesel locomotive with the highest single-machine power in China's railways at that time. The power unit of the DF9 diesel locomotive is a 16V280ZJA diesel engine with an installed power of 3,610 kW (4,840 hp).
A DF9-0001 with a construction speed of 140 km/h (87.0 mph) was completed in October 1990. In April 1991, in order to cooperate with the Guangzhou–Shenzhen Railway scientific and technological project test, Qishuyan Locomotive and Rolling Stock Factory trial-produced DF9-0002 locomotive with a structural speed of 160 km/h (99.4 mph). In March 1992, DF9-0002 set a speed record of 161 km/h (100.0 mph) on the National Railway Test Center, Beijing.
Gallery[edit]
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DF9 0001 in Shenzhen railway station
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DF9 in Guangzhou
See also[edit]
References[edit]
External links[edit]
- DF9型内燃机车 Trainnets.com.
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