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The JNR Class ED37 was a Japanese DC electric locomotive operated by the Japanese National Railways from 1944 to November 1963.

History[]

The Class ED37 was an early electric locomotive used in Japan. One locomotive was built in 1944 by Toshiba; it features similar characteristics to a number of other locomotives manufactured by Toshiba around the same time for private railways, such as the Miyagi Electric Railway Class ED35; the locomotive was initially ordered for the Okutama Electric Railway (now part of JR East's Ōme Line), classified as the Class 1020 and numbered 1021, but by the time the locomotive was completed the Okutama Electric Railway had already been nationalized and as such the locomotive came under the jurisdiction of the Japanese National Railways, where it operated with no changes in number and deployed in the Nishi National Locomotive District to pull freight trains.

The locomotive was briefly deployed to Sakunami but was later moved in January 1952 to the Onoda Line, where it pulled coal trains over sections of track formerly owned by the Ube Electric Railway. With the enactment of vehicle naming regulations the same year, 1021 was reclassified as the JNR Class ED37 and renumbered ED37 1. The locomotive was reclassified again in 1961 as the Class ED29 and renumbered ED29 11; this was the second type of locomotive to bear the class after a boxcab electric locomotive acquired from the Toyokawa Railway. The locomotive's final assignment was at Hamamatsu Works, where it acted as a switcher locomotive; it was withdrawn from service in November 1963 and scrapped.

Specifications[]

The Class ED37 used a nose suspension drive system. SE-150 traction motors were used on the locomotives.

JR Group motive power
JNR Diesel prototype DB10DC10DC11DD10
4-axle diesel DD11DD12DD13DD14DD15DD16DD17DD20DD21DD40DD41DD42DD50DD51DD53DD54DD90DD91DD92DD93
5-axle diesel DE10DE11DE15DE50
6-axle diesel DF40DF41DF50DF90DF91 (gen 1)DF91 (gen 2)DF92DF93
Shinkansen 911912
Narrow-gauge diesel Ke DB10Ke DB11
Early 2/4-axle freight electric AB10EB10ED10ED11ED12ED13ED14ED15ED16ED17ED18 (gen 1)ED18 (gen 2)ED19ED23ED24
Early 4-axle passenger electric ED50ED51ED52ED53ED54ED55ED56ED57
Early 6-axle freight electric EF10EF11EF12EF13EF14EF15EF16EF18
Early 6-axle passenger electric EF20EF50EF51EF52EF53EF54EF55EF56EF57EF58EF59HEF10HEF50
Early 8-axle electric EH10EH50HEH50HEH150
Early Abt rack rail electric EC40ED40ED41ED42
Acquired from private railways ED20ED21ED22ED25 (gen 1)ED25 (gen 2)ED26 (gen 1)ED26 (gen 2)ED27 (gen 1)ED27 (gen 2)ED28 (gen 1)ED28 (gen 2)ED29 (gen 1)ED29 (gen 2)ED30 (gen 1)ED31ED32ED33ED34ED35ED36ED37ED38Ke ED10DeKi 1RoKo 1DeKi 501RoKo 1000
DC 4-axle ED60ED61ED62ED63ED95
AC 4-axle ED44ED45ED70ED71ED72ED73ED74ED75ED76ED77ED78ED79ED90ED91ED93ED94
DC 6-axle EF60EF61EF62EF63EF64EF65EF66EF67EF90
AC 6-axle EF70EF71
Dual-current ED30 (gen 2)ED46ED92EF30EF80EF81
Other AH100
JR Group Dual-current electric ED500EF500EF510EH500
DC electric EF200EF210EH200
DC EMU M250
AC electric EH800
Diesel DD18DD19DB500DD200DF200ENR-1000
Hybrid HD300
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