China Railways DF4: Difference between revisions
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image=Df4_locomotive.jpg| |
image=Df4_locomotive.jpg| |
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caption=First-generation DF4 near Beijing West Trainstation| |
caption=First-generation DF4 near Beijing West Trainstation| |
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gauge= |
gauge=1435 mm| |
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aarwheels=| |
aarwheels=Co-Co| |
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cylindercount=| |
cylindercount=| |
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primemover=| |
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builddate=1969 - | |
builddate=1969 - | |
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totalproduction=| |
totalproduction=| |
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locale=[[Peoples Republic of China]]| |
locale=[[Peoples Republic of China]]| |
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poweroutput=| |
poweroutput=2430 kW| |
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fuelcap=| |
fuelcap=| |
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topspeed=Passenger: |
topspeed=Passenger:120 [[kilometer per hour|km/h]] (75 [[miles per hour|mph]])<br>Freight:100 [[kilometer per hour|km/h]] (62 [[miles per hour|mph]])| |
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weight=138 tonnes| |
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weight=304,200 [[pound (mass)|lb]] (138,000 [[kilogram|kg]])| |
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tractiveeffort=Passenger:327.5 kN starting, 243 kN continuous<br>Freight:435 kN starting, 324 kN continuous| |
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tractiveeffort=40,425 lbf (271 kN)| |
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length=| |
length=21100 mm| |
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width=| |
width=3309 mm| |
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height=| |
height=4755 mm| |
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enginetype=| |
enginetype=16V240ZJB| |
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aspiration=| |
aspiration=| |
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cylindersize=| |
cylindersize=| |
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displacement=| |
displacement=| |
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transmission= electric (AC-DC)| |
transmission= electric (AC-DC)| |
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locobrakes= |
locobrakes=straight air and dynamic| |
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trainbrakes=| |
trainbrakes=JZ-7 air| |
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buildmodel= |
buildmodel=DF4B| |
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}} |
}} |
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'''DF4''' (Chinese: 东风4) is a type of [[diesel locomotive]] used in the [[People's Republic of China]]. It has been in production since 1969 and is still produced as of 2007 by several local companies. It is the most common locomotive in China and is used for passenger and freight services |
The '''DF4''' (Chinese: 东风4) is a type of [[diesel locomotive]] used in the [[People's Republic of China]]. It has been in production since [[1969]] and is still produced [[as of 2007]] by several local companies. It is the most common locomotive in China and is used for both passenger and freight services. |
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==Models== |
==Models== |
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The first DF4 was built in 1969 in [[Dalian]]. The first 108 locomotives that were built here are the original DF4s using the 16V240ZJ engine. It took seven years to build all 108 locomotives of this type. |
The first DF4 was built in 1969 in [[Dalian]]. The first 108 locomotives that were built here are the original DF4s using the 16V240ZJ engine. It took seven years to build all 108 locomotives of this type. |
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====DF4A==== |
====DF4A==== |
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====DF4C==== |
====DF4C==== |
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The DF4C was supposed to replace the DF4B as the main diesel locomotive in China and comes with several improvements, including a new |
The DF4C was supposed to replace the DF4B as the main diesel locomotive in China and comes with several improvements, including a new engine revision (16240ZJC). The first DF4C was produced in 1985 and batch production started four years later, in 1989, and lasted until roughly the end of the 20th century. |
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The DF4C comes in a different color scheme than the previous DF4s, namely dark blue and later light blue and beige. |
The DF4C comes in a different color scheme than the previous DF4s, namely dark blue and later light blue and beige. |
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====Gearing variations==== |
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The DF4, DF4A, DF4B and DF4C were each produced with two different gear ratios, "passenger" (120 km/h) and "freight" (100 km/h). The passenger variant was often painted orange [http://www.railography.co.uk/info/cn_diesels/p04.htm ]. |
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====DF4D==== |
====DF4D==== |
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The DF4D, the most recent DF4 revision, has been produced since 1996 with the 16V240ZJD |
The DF4D, the most recent DF4 revision, has been produced since 1996 with the 16V240ZJD engine. The passenger versions increased top speed to 145 or 170(DF4DK) km/h, and a road-switcher version was also introduced [http://www.railography.co.uk/info/cn_diesels/p06.htm ]. |
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== |
==Manufacturers== |
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[[Image:DF4-3389.jpg|right|thumb|252px|DF4 locomotive in [[Sichuan]], China in 2003.]] |
[[Image:DF4-3389.jpg|right|thumb|252px|DF4 locomotive in [[Sichuan]], China in 2003.]] |
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DF4s are manufactured by several companies: |
DF4s are manufactured by several companies: |
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* CSR [[Ziyang Locomotive Works]] (DF4B, DF4C & DF4C(A1A)) [http://www.zyloco.com/english/CPSJ/cpsj.htm#jccp] |
* CSR [[Ziyang Locomotive Works]] (DF4B, DF4C & DF4C(A1A)) [http://www.zyloco.com/english/CPSJ/cpsj.htm#jccp] |
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* Dalian Locomotive & Rolling Stock Works |
* Dalian Locomotive & Rolling Stock Works |
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* |
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==References== |
==References== |
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* {{cite web| url=http://www.zyloco.com/english/cpsj/df4b.htm| title=Ziyang Locomotive Works}} |
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* {{cite web| url=http://www.railwaysofchina.com/df4.htm| title=Railways of China| }} |
* {{cite web| url=http://www.railwaysofchina.com/df4.htm| title=Railways of China| }} |
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* {{cite web| url=http://www.railography.co.uk/info/cn_diesels/ |
* {{cite web| url=http://www.railography.co.uk/info/cn_diesels/p00.htm| title=Railography| }} |
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{{diesel-loco-stub}} |
{{diesel-loco-stub}} |
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[[Category:Rail transport in the People's Republic of China]] |
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[[Category:Chinese diesel locomotives|DF4]] |
[[Category:Chinese diesel locomotives|DF4]] |
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Revision as of 17:58, 17 October 2007
DF4 东风4 | |||||||||||||||||||||||
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![]() First-generation DF4 near Beijing West Trainstation | |||||||||||||||||||||||
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The DF4 (Chinese: 东风4) is a type of diesel locomotive used in the People's Republic of China. It has been in production since 1969 and is still produced as of 2007 by several local companies. It is the most common locomotive in China and is used for both passenger and freight services.
Models
DF4
The first DF4 was built in 1969 in Dalian. The first 108 locomotives that were built here are the original DF4s using the 16V240ZJ engine. It took seven years to build all 108 locomotives of this type.
Few of the first series DF4 are still in operation, however the first ever is a permanent exhibition at the Beijing Railway Museum [1].
DF4A
The DF4A distinguishes itself from first series DF4s with an improved engine, the 16V240ZJA. Production started in 1976 and lasted until 1984.
DF4B
DF4B are very similar to standard DF4 and DF4A, apart from an improved engine (16V240ZJB). Production started in Dalian in 1984.
DF4C
The DF4C was supposed to replace the DF4B as the main diesel locomotive in China and comes with several improvements, including a new engine revision (16240ZJC). The first DF4C was produced in 1985 and batch production started four years later, in 1989, and lasted until roughly the end of the 20th century.
The DF4C comes in a different color scheme than the previous DF4s, namely dark blue and later light blue and beige.
Gearing variations
The DF4, DF4A, DF4B and DF4C were each produced with two different gear ratios, "passenger" (120 km/h) and "freight" (100 km/h). The passenger variant was often painted orange [2].
DF4D
The DF4D, the most recent DF4 revision, has been produced since 1996 with the 16V240ZJD engine. The passenger versions increased top speed to 145 or 170(DF4DK) km/h, and a road-switcher version was also introduced [3].
Manufacturers
DF4s are manufactured by several companies:
- CSR Sifang Locomotive and Rolling Stock Co., Ltd.
- CSR Ziyang Locomotive Works (DF4B, DF4C & DF4C(A1A)) [4]
- Dalian Locomotive & Rolling Stock Works
References
- "Ziyang Locomotive Works".
- "Railways of China".
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