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China Railways DF4

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Dongfeng 4
东风4
DF4 0127 with a passenger train in 1984
Type and origin
Power typeDiesel-electric
Builder
Model
  • China DF4, DF4A, DF4B
  • China DF4C, DF4D, DF4DD
  • China DF4DF, DF4DJ, DF4E
  • North Korea CKD4A
  • Indonesia DF4D (CC207)
Build date
  • DF4(A): 1969-1986
  • DF4B: 1984-present
  • DF4C: 1985-1999
  • DF4D/DD: 1999-present
  • DF4DF: 1999-2004
  • DF4DJ: 2000
  • DF4E: 1994-1997
  • CKD4A: 2002
Total produced
  • DF4(A): 31 P, 812 F
  • DF4B: 585 (P), 4006 (F)
  • DF4C: 2 (P), 845 (F)
  • DF4D: 573 (P), 398 (F), 340 (HS)
  • DF4DD: 238
  • DF4DF: 25
  • DF4DJ: 2
  • DF4E: 16
  • CKD4A: 2
Specifications
Configuration:
​
 • AAR
  • C-C
  • A1A-A1A (DF4C 5274 & 5275)
  • Co-Co+Co-Co (DF4E)
Gauge1,435 mm (4 ft 8+1⁄2 in) standard gauge
Wheel diameter1,050 mm (41.34 in)
Minimum curve
  • 145 m (475.7 ft)
  • DF4DD: 100 m (328.1 ft)
Wheelbase:​
 • Bogie1,800 mm (70+7⁄8 in)
Length
  • DF4(A): 19,990 mm (65 ft 7 in)
  • DF4B: 20,490 mm (67 ft 2+3⁄4 in)
  • DF4C: 20,500 mm (67 ft 3+1⁄8 in)
  • DF4D/DJ: 20,660 mm
    (67 ft 9+3⁄8 in)
  • DF4DD: 21,100 mm (69 ft 2+3⁄4 in)
  • DF4DF: 20,600 mm (67 ft 7 in)
  • DF4E: 41,320 mm (135 ft 6+3⁄4 in)
  • CKD4A: 20,660 mm (67 ft 9+3⁄8 in)
Width
  • 3,309 mm (10 ft 10+1⁄4 in)
  • DF4DD: 3,372 mm (11 ft 3⁄4 in)
  • DF4E: 3,105 mm (10 ft 2+1⁄4 in)
Height
  • 4,500 mm (14 ft 9+1⁄8 in)
  • DF4C/E: 4,755 mm (15 ft 7+1⁄4 in)
  • DF4DD: 4,790 mm (15 ft 8+5⁄8 in)
Axle load
  • 23 t
    (23 long tons; 25 short tons)
  • DF4D (4351-54)/DF4DD: 25 t
    (25 long tons; 28 short tons)
  • CKD4A: 22.2 t
    (21.8 long tons; 24.5 short tons)
Loco weight
  • 138 t
    (136 long tons; 152 short tons)
  • DF4D (4245-50)/DF4DD: 150 t
    (150 long tons; 170 short tons)
  • DF4E: 276 t
    (272 long tons; 304 short tons)
Fuel typeDiesel
Fuel capacity
  • DF4/A/B/C/D/DF: 9,000 L (2,400 US gal; 2,000 imp gal)
  • DF4DD: 8,200 L
    (2,200 US gal; 1,800 imp gal)
  • DF4E: 16,000 L
    (4,200 US gal; 3,500 imp gal)
Prime mover
  • DF4: 16V240ZJ
  • DF4A: 16V240ZJA
  • DF4B: 16V240ZJB
  • DF4C: 16V240ZJC
  • DF4D: 16V240ZJD/ZJE/ZJF
  • DF4DD/DF/DJ: 16V240ZJD
  • DF4E: 2 x 16V240ZJB
  • CKD4A: 16V240ZJD
Engine typeV16 diesel
Generator
  • DF4/A/B/DD: TQFR-3000
  • DF4C/D: TQTR-3000E
  • DF4DD: JF213
  • DF4DD: JF210
  • DF4DJ: JF216
  • DF4E: TQFR-3000B
Traction motors
  • DF4/A/B: 6 x ZQDR-410
  • DF4C: 6 x ZD-109
  • DF4D/DF: 6 x ZD-109B(1) (P & F)
  • DF4D: 6 x ZD-106 (high-speed)
  • DF4DD: 6 x ZD-109Z/L
  • DF4DJ: 6 x 1TB2630-1TA02
  • DF4E: 12 x ZD-109A
​
 • Rating 1 hour
  • DF4(A): 320 kW (430 hp)
  • DF4B: 330.8 kW (443.6 hp)
  • DF4C: 360.8 kW (483.8 hp)
  • DF4D/DD/DF/DJ: 404.2 kW (542.0 hp)
  • DF4E: 333.3 kW (447.0 hp)
Transmission
  • Electric (AC-DC)
  • DF4DJ: AC-DC-AC
Loco brakeStraight air and dynamic
Train brakesJZ-7 Air
Performance figures
Maximum speed
  • DF4/A/B: 120 km/h (75 mph) (P); 100 km/h (62 mph) (F)
  • DF4C: 160 km/h (99 mph) (P); 100 km/h (62 mph)
  • DF4D: 145 km/h (90 mph) (P); 100 km/h (62 mph) (F); 170 km/h (110 mph) (HS)
  • DF4DD: 80 km/h (50 mph)
  • DF4DF: 120 km/h (75 mph)
  • DF4DJ: 145 km/h (90 mph)
  • DF4E: 100 km/h (62 mph)
  • CKD4A 100 km/h (62 mph)
Power output
  • DF4A/B/C: 2,650 kW (3,550 hp)
  • DF4D/DD/DF/DJ: 2,940 kW (3,940 hp)
  • DF4D: 3,310 kW (4,440 hp) (3301-2)
  • DF4E: 5,300 kW (7,100 hp)
  • CKD4A: 2,940 kW (3,940 hp)
Tractive effort:
​
 • Continuous
  • DF4(A): 243 kN (55,000 lbf) (P); 302 kN (68,000 lbf) (F)
  • DF4B: 243 kN (55,000 lbf) (P); 324 kN (73,000 lbf) (F)
  • DF4C: 106 kN (24,000 lbf) (P); 312 kN (70,000 lbf) (F)
  • DF4D: 214.8 kN (48,300 lbf) (P); 341.2 kN (76,700 lbf) (F); 160.9 kN (36,200 lbf) (HS)
  • 358 kN (80,000 lbf)
  • DF4DF: 267.6 kN (60,200 lbf)
  • DF4DJ: 444 kN (100,000 lbf)
  • DF4E: 630 kN (140,000 lbf)
Career
Operators
Numbers
  • China DF4 0001 - 0108 (DF4)
  • China DF4 0001 - 0040 (DF4C)
  • China DF4 0109 - 0770 (DF4A; F)
  • China DF4 1001 - 1999 (DF4B; F)
  • China DF4 2001 - 2031 (DF4A; P)
  • China DF4 2001 - 2006 (DF4C)
  • China DF4 2101 - 2685 (DF4B; P)
  • China DF4 3001 - 3042 (DF4A; F)
  • China DF4 3101 - 3999 (DF4B; F)
  • China DF4 4001 - 4465 (DF4C; F)
  • China DF4 4466 (DF4C; P)
  • China DF4 5001 - 5273 (DF4C; F)
  • China DF4 5274 - 5275 (DF4C; P)
  • China DF4 6001 - 6587 (DF4B; F)
  • China DF4 7001 - 7800 (DF4B; F)
  • China DF4 9001 - 9702 (DF4B; F)
  • China DF4D 0001 - 0240 (P)
  • China DF4D 0241 - 0242 (F)
  • China DF4D 0243 - 0347 (P)
  • China DF4D 0348 (F)
  • China DF4D 0353 - 0529 (P)
  • China DF4D 1893 (F 'Mao Zedong')
  • China DF4D 3001 - 3340 (HS)
  • China DF4D 4001 - 4354 (F)
  • China DF4D 7001 - 7012 (F 'Radial')
  • China DF4DD 0030, 0029
  • China DF4DD 1001 - 1029
  • China DF4DD 4180 - 4187
  • China DF4DF 0349 - 0352
  • China DF4DF 0530 - 0531
  • China DF4DF 4034 - 4169
  • China DF4DJ 0001 - 0002
  • China DF4E 0001 - 0016
  • North Korea 내연201 - 225
  • North Korea 내연261 - 271
  • Indonesia CC207 23 01

The DF4 (Chinese: 东风4) is a type of diesel-electric 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. Due to unstable technique in the production of early-built DF4 locomotives, malfunctions of mechanic and electric parts occurred frequently during the operation, especially the diesel engine. Thus, most DF4 locomotives were taken out of service for maintenance, and railroad engineers from Fengtai Locomotive Depot sarcastically joked that the DF4 "can't make it from Dongdan to Xisi", two neighborhoods of Beijing. Therefore, Dalian Locomotive Works introduced 16V240ZJA, an improved diesel engine.

Few of the early series DF4 are still in operation. The first DF4 of the class is currently in 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 (the first model being DF4-0109) and lasted until 1984. The DF4A designation is unofficial.

DF4B

Nicknamed "Watermelon", "Armed Police", or "Orange". Generally speaking, "Watermelons" and "Armed Police" versions are used for freight, while "Oranges" (DF4 2000 Series) are manufactured with alternated gear ratio for the allowance of increased operation speed, intended for passenger services. DF4B are very similar to standard DF4, apart from an improved engine (16V240ZJB) and modified engine inlet filters in certain instances. 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 first two DF4C (4001 and 4002) produced in 1985 continued the use of the DF4B hull. A new hull design is applied for the batch-produced configuration.

The DF4C comes in a different color scheme than the previous DF4s, namely dark blue and later light blue and beige. The passenger version, informally called DF4CK, has an A1A-A1A wheel arrangement.

Gearing variations

The DF4, DF4B and DF4C were each produced with two different gear ratios, "passenger" (up to 120 km/h or 75 mph or 170 km/h or 110 mph for DF4C) and "freight" (up to 100 km/h or 62 mph). The passenger variant was often painted orange.[1]

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 km/h (90 mph) or 170 km/h (110 mph).[2] The freight version comes in a different color scheme than the previous DF4Ds, namely green (7000 Series) and later light blue (4000 Series) and yellow. The green version sat on radial bogies but later converted to standard bogies. Their top speed to 100 km/h (62 mph). DF4D-7000 series are configured with shorter hull compared to standard DF4D series.

DF4DJ

The DF4DJ, originally DF4DAC, of which only 2 were built had AC drive technology supplied by Siemens. They were China's first AC drive diesel locomotive.[3][4][5][6]

DF4DD

A road switcher version of the DF4 with side walkways and a full-body cab similar to modern American locomotives. The type was the most powerful road switcher class in China until the introduction of the HXN3B and HXN5B classes.

DF4E

The DF4E is a 2 unit locomotive of total power 4.86MW (2x2.43MW)[7]

Manufacturers

DF4s have been manufactured by several companies:

North Korea

In 2001, the Korean State Railway bought two locomotives of type CKD4A (DF4D) new from CNR Dalian; these were delivered in July 2002.[9] These are powered by the same 16V240ZJD as the Chinese DF4D, producing 2,940 kW (3,940 hp) and have a maximum speed of 100 km/h (62 mph).[10] They are painted in the standard light blue over dark green, but their numbers are not known.

Between 2006 and 2008, three batches of refurbished second-hand DF4 ("DF4A") and DF4B were delivered to North Korea.[9] These are numbered in the 내연200 series (내연 = Naeyŏn, "internal combustion") and are in service for passenger and freight trains all over North Korea;[11] many are assigned to the Hamhŭng area.[9] The total number delivered is not known, but the number is at least 36 units, numbered 내연201 to 내연225[12] and 내연261 to 내연271. Many are still in their former Chinese paint, but some have been repainted into the standard light blue over dark green, and two have received the dark green/yellow scheme applied to many M62-type diesels obtained second hand from Germany and Slovakia. There is at least one DF4D, in standard blue over green livery.

Number Model Livery Original number
내연201 DF4B standard
내연203 DF4B standard CR DF4 1552[12]
내연204 DF4B CR green
내연206 DF4B CR green
내연208 DF4B standard
내연209 DF4A CR green
내연211 DF4B CR green
내연212 DF4B standard
내연215 DF4B CR green
내연217 DF4B CR green
내연222 DF4B standard
내연223 DF4B standard
내연225 DF4B standard CR DF4 1349[12]
내연226 DF4B CR green
내연261 DF4B standard
내연262 DF4B green/yellow
내연264 DF4B standard
내연266 DF4B green/yellow
내연271 DF4B CR green

Indonesia

During the construction of Jakarta–Bandung high speed railway line, the Chinese construction company PowerChina[13] brought and used several DF4 locomotives. The first unit, DF4B-1295, arrived at the Port of Tanjung Priok on 22 November 2021.[14] It was transported to Tegalluar depot in Bandung on 21 January 2022.[15] The second batch arrived on 28 January, consisted of DF4B-7552, 7553, 9129 and 7549.[16][17] The third batch arrived in Tanjung Priok on December 2022, with the DF4B-6385 on 16 December and the DF4C-4151 on 31 December.[18]

During the construction of the line, one of the DF4 was involved in an accident. The DF4B-7553 was derailed on 18 December 2022 while hauling a track-laying machine. The derailment occurred in Padalarang District, West Bandung Regency.[19] The derailed train was evacuated on 20 December.[20]

At the conclusion of the line construction, the PowerChina's DF4s were moved out of the country for use elsewhere. For maintenance and backup purpose, the Kereta Cepat Indonesia China (KCIC) operated a single DF4D, numbered CC207 23 01. Under the Indonesian railway nomenclature, the DF4 operated by KCIC was classified as CC207 class.[21]

Preservation

DF4B-1787
DF4B-2480
DF4C-4001

DF4/DF4A

  • DF4-0001: is preserved at the China Railway Museum
  • DF4-0002: is preserved at Fengtai Locomotive Depot, Beijing Railway Bureau
  • DF4-0084: is preserved at Baoji Railway Technicion College
  • DF4-0187: is preserved at Shandong Polytechnic
  • DF4-0212: is preserved at Hebei Vocational College Of Rail Transportation
  • DF4-2002: is preserved at Zhejiang Normal University
  • DF4-2012: is preserved at Jinan Railway Advanced Technical School

DF4B

  • DF4B-1029: is preserved at the Shengyang Railway Museum
  • DF4B-1442: is preserved at Taiyuan Locomotive Depot, Taiyuan Railway Bureau
  • DF4B-1718: is preserved at Anhui Communications Vocational & Technical College
  • DF4B-1781: is preserved at Heilongjiang Communications Polytechnic
  • DF4B-1787: is preserved at Liuzhou Industrial Museum
  • DF4B-1884: is preserved at Heilongjiang Communications Polytechnic
  • DF4B-1893: is preserved at Fengtai Locomotive Depot, Beijing Railway Bureau
  • DF4B-1983: is preserved at Central South University
  • DF4B-2127: is preserved at Qiqihar Technician College
  • DF4B-2244: is preserved at Nanjing Railway Vacational Technical College
  • DF4B-2298: is preserved at Qiqihar Railway Engineering School
  • DF4B-2480: is preserved at Liuzhou Railway Vacational Technical College.
  • DF4B-3179: is preserved at Huhhot Vocational College
  • DF4B-6210: is preserved at North University of China
  • DF4B-7019: is preserved at Southwest Jiaotong University
  • DF4B-7149: is preserved at Shijiazhuang Tiedao University
  • DF4B-7260: is preserved at Tianjin Railway Vacational Technical College
  • DF4B-9008: is preserved at the China Railway Museum

DF4C

References

Wikimedia Commons has media related to China Railways DF4 locomotives.
  • "Ziyang Locomotive Works". Archived from the original on 2004-01-30. Retrieved 2007-10-17.
  • "Railways of China". Archived from the original on 2007-06-25.
  • "Railography".
  1. ^ a b Cotterill, Duncan (May 13, 2006). "DF4, DF4A and DF4B Class Diesel Electrics". Railography. Retrieved December 11, 2008.
  2. ^ Cotterill, Duncan (October 13, 2006). "DF4D Class Diesel Electrics". Railography. Retrieved December 11, 2008.
  3. ^ 东风4DJ型(DF4DJ) Archived 2012-03-03 at the Wayback Machine (Dongfeng 4DJ type (DF4DJ) ), www.trainfanz.com
  4. ^ AC diesels roll out Archived 2019-11-29 at the Wayback Machine 1 August 2000, www.railwaygazette.com
  5. ^ 东风4DJ型交流传动内燃机车 Archived 2016-01-19 at the Wayback Machine Dongfeng 4DJ AC drive diesel locomotive, www.chinacnr.com
  6. ^ Diesel-Electric Locomotive DF 4DAC Prototype www.siemens.cz
  7. ^ 东风4E型(DF4E)内燃机车 Archived 2008-04-05 at the Wayback Machine (Dongfeng 4E-type (DF4E) Diesel Locomotive), www.tieliu.com
  8. ^ "Products". ZiYang Locomotive Works. 2003. Archived from the original on February 6, 2009. Retrieved December 11, 2008.
  9. ^ a b c "分页 第1页 :【原创】朝鲜铁路机车车辆概况一览 - 西西河".
  10. ^ "Type CKD4A Diesel Loco. For North Korea_Products_Rolling Stock_Diesel Locomotives_China CNR Corporation Limited". Archived from the original on 2016-07-11. Retrieved 2016-01-12.
  11. ^ Kokubu, Hayato, 将軍様の鉄道 (Shōgun-sama no Tetsudō), ISBN 978-4-10-303731-6
  12. ^ a b c "ChineseModelTrains.com - Webtrip / Total China". www.chinesemodeltrains.com. Archived from the original on 2016-03-04.
  13. ^ "Lokomotif DF4B Jalani Uji Coba di Depo Tegalluar". redigest.web.id (in Indonesian). 2 February 2022. Retrieved 19 February 2024.
  14. ^ "Proyek Kereta Cepat, Lokomotif DF4B dari Tiongkok Tiba di Jakarta". redigest.web.id (in Indonesian). 23 November 2021. Archived from the original on 23 November 2021. Retrieved 28 November 2021.
  15. ^ "Lokomotif China Railway DF4B Dikirim ke Bandung". redigest.web.id (in Indonesian). 21 January 2022. Retrieved 19 February 2024.
  16. ^ "Lokomotif DF4B Kembali Tiba di Jakarta, Kali Ini Tidak Sendirian". redigest.web.id (in Indonesian). 29 January 2022. Retrieved 4 June 2023.
  17. ^ "[GALERI] Menengok Lokomotif DF4B Sambil #FotoSepur di Tegalluar". redigest.web.id (in Indonesian). 31 July 2022. Retrieved 19 February 2024.
  18. ^ "Lokomotif DF4 Kembali Tiba di Tanjung Priok, Kini dalam Rasa Berbeda!". redigest.web.id (in Indonesian). 6 January 2023. Retrieved 4 June 2023.
  19. ^ "Anjloknya Kereta Teknis Proyek KCJB hingga Memakan Korban Jiwa". detik.com (in Indonesian). 19 December 2022. Retrieved 19 February 2024.
  20. ^ "KCIC Evakuasi SOP Keselamatan Pekerja Pasca Kereta Teknis yang Anjlok". pasjabar.com (in Indonesian). 20 December 2022. Retrieved 19 February 2024.
  21. ^ "Mengenal Lokomotif CC207: Yeti Dari Negeri Tirai Bambu". redigest.web.id (in Indonesian). 22 October 2023. Retrieved 19 February 2024.
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