Class EF10
A black and white photograph of locomotive EF10 18
EF10 18 shortly after completion in 1938
Type and origin
Power typeElectric
BuilderHitachi, Kawasaki Heavy Industries, Kisha Seizo, Mitsubishi, Toshiba
Build date1934–1941
Total produced41
Specifications
Configuration:
​
 • UIC(1′Co)+(Co1′)
Gauge1,067 mm (3 ft 6 in)
BogiesHT56
Wheel diameter1,250 mm (49.21 in)
Trailing dia.860 mm (33.86 in)
Length:
​
 • Over couplers18,380 mm (60 ft 3+5⁄8 in)
Width2,810 mm (9 ft 2+5⁄8 in)
Height3,940 mm (12 ft 11+1⁄8 in)
Loco weight97.5 t
(96.0 long tons; 107.5 short tons)
Electric system/s1,500 V DC overhead line
Current pickup(s)Pantograph
Transmission1 stage gear reduction, suspended type
Performance figures
Maximum speed75 km/h (45 mph)
Power output1,350 kW (1,810 hp)
Tractive effort11,700 kgf (26,000 lbf)
Career
OperatorsJNR
Number in class41
NumbersEF10 1 - 41
First run1934
Preserved1
DispositionAll withdrawn

The Class EF10 (EF10形) is an electric locomotive built for the Japanese Government Railways formerly operated on freight services in Japan from 1934 until 1983.

History

41 locomotives were built between 1934 and 1941 by the manufacturers Hitachi, Kawasaki Heavy Industries, Kisha Seizo, Mitsubishi, and Toshiba.[1]

Locomotive construction was divided into four batches, with further differences within individual batches as follows.[1]

EF10 1 - 16

Locomotives EF10 1 to 16 had bodies with similar styling to the Class ED16 and Class EF53 locomotives.[1]

EF10 17

EF10 17 was built in 1937 with a welded body and more rounded styling.[1]

EF10 18 - 19

Locomotives EF10 18 and 19 continued with the same rounded body styling as EF10 17, but used a similar bar frame bogie design to the first batch of locomotives.[1]

EF10 20 - 24

Locomotives EF10 20 to 24 continued with the same body design, but with a different ventilator arrangement.[1]

EF10 25 - 29

Locomotives EF10 25 to 29 had welded bodies, but reverted to a more angular design.[1]

EF10 30 - 33

Locomotives EF10 30 to 33 continued with the same welded angular body design, but used cast bogie frames.[1]

EF10 34 - 41

Locomotives EF10 34 to 41 used the original bar frame bogie design.[1]

Preservation

EF10 35 preserved at the Kyushu Railway Museum in January 2007

EF10 35 was preserved in a park in Moji-ku, Kitakyushu before being restored and moved to the newly opened Kyushu Railway History Museum in 2003, where it is preserved statically.[2]

Classification

The EF10 classification for this locomotive type is explained below.

  • E: Electric locomotive
  • F: Six driving axles
  • 10: Locomotive with maximum speed 85 km/h or less

See also

References

Wikimedia Commons has media related to JNR EF10.
  1. 1 2 3 4 5 6 7 8 9 Inoue, Koichi (1999). 国鉄機関車事典: 蒸気・電気・ディーゼル機関車66形式 国鉄機関車辞典 [JNR Locomotive Encyclopedia] (in Japanese). Japan: Sankaido. pp. 84–85. ISBN 978-4-381-10338-3.
  2. ↑ Sasada, Masahiro (25 November 2014). 国鉄&jr 保存車大全 2015-2016 国鉄&JR保存車大全2015-2016 [JNR & JR Preserved Rolling Stock Complete Guide 2015-2016] (in Japanese). Tokyo, Japan: Ikaros Publications Ltd. p. 122. ISBN 978-4863209282.

Further reading

  • 鉄道車輌ディテール・ファイル002 ひさし付車体のEF10(1〜16) [Rolling Stock Detail File 002: Sun visor type EF10 (1 to 16)] (in Japanese). Japan: Neko Publishing Co., Ltd. September 2009. ISBN 978-4777052622.
  • 鉄道車輌ディテール・ファイル 004: 丸型車体のEf10(17~24) 鉄道車輌ディテール・ファイル004　丸型車体のＥＦ１０（１７～２４） [Rolling Stock Detail File 004: Round-bodied EF10 (17 to 24)] (in Japanese). Japan: Neko Publishing Co., Ltd. November 2009. ISBN 978-4777052707.
  • 鉄道車輌ディテール・ファイル007　丸型車体のＥＦ１０（２５～４１） [Rolling Stock Detail File 007: Angular-bodied EF10 (25 to 41)] (in Japanese). Japan: Neko Publishing Co., Ltd. February 2010. ISBN 978-4777052783.
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