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Bo-Bo-Bo A Bo-Bo-Bo or Bo′Bo′Bo′ (UIC classification) is a locomotive with three independent two-axle bogies with all axles powered by separate traction motors. In the AAR system, this is simplified to B-B-B due to the system only taking powered ...

wheel arrangement In rail transport, a wheel arrangement or wheel configuration is a system of classifying the way in which wheels are distributed under a locomotive. Several notations exist to describe the wheel assemblies of a locomotive by type, position, and c ...

DC electric locomotive type operated by

Japan Freight Railway Company , or , is one of the seven constituent companies of Japan Railways Group (JR Group). It provides transportation of cargo nationwide throughout Japan. Its headquarters are in Shibuya, Tokyo near Shinjuku Station. The Japan Railways Group was foun ...

(JR Freight) on freight services in Japan. The locomotives are built at the

Kawasaki Heavy Industries is a Japanese Public company, public multinational corporation manufacturer of motorcycles, engines, Heavy equipment (construction), heavy equipment, aerospace and Military, defense equipment, rolling stock and ships, headquartered in Minato, To ...

factory in

Kobe Kobe ( ; , ), officially , is the capital city of Hyōgo Prefecture, Japan. With a population of around 1.5 million, Kobe is Japan's List of Japanese cities by population, seventh-largest city and the third-largest port city after Port of Toky ...

. Based at

Okayama is the prefectural capital, capital Cities of Japan, city of Okayama Prefecture in the Chūgoku region of Japan. The Okayama metropolitan area, centered around the city, has the largest urban employment zone in the Chugoku region of western J ...

, Shin-Tsurumi, and Suita (Osaka) depots, they are primarily used on freight on the Tokaido Main Line and

Sanyo Main Line is a former Japanese electronics manufacturer founded in 1947 by Toshio Iue, the brother-in-law of Kōnosuke Matsushita, the founder of Matsushita Electric Industrial, now known as Panasonic. Iue left Matsushita Electric to start his own busi ...

, replacing Class EF66 locomotives. , 101 EF210s were operated by JR Freight, based at Shin-Tsurumi (Kawasaki), Suita (Osaka), and Okayama depots.

Variants

* Class EF210-901, prototype * Class EF210-0, full-production version * Class EF210-100 * Class EF210-300, banking locomotives

EF210-901

The pre-production prototype, EF210-901, was delivered to Shin-Tsurumi depot in 1996. File:JRF EF210-901 20100331.jpg, EF210-901 in March 2010

EF210-0 full-production version

Following evaluation of the prototype version, the first full-production locomotive, EF210-1, was delivered to Okayama in July 1998. A number of minor improvements were incorporated, with the main external differences from the prototype being as follows. * Traction motors changed from FMT3 (565 kW) to FMT4 type (565 kW) * "ECO-POWER Momo Taro" logo on bodyside * Reduced bogie size from 2,600 mm to 2,500 mm. All 18 of the EF210-0s are allocated to Okayama Depot.

EF210-100

The EF210-100 sub-class incorporates a number of minor improvements, including the use of single-arm pantographs, and

IGBT An insulated-gate bipolar transistor (IGBT) is a three-terminal power semiconductor device primarily forming an electronic switch. It was developed to combine high efficiency with fast switching. It consists of four alternating layers (NPNP) that ...

replacing GTO. EF210-100s are based at Okayama, Shin-Tsurumi, and Suita (Osaka) depots, with 73 locomotives in operation .

EF210-300

The EF210-300 subclass was introduced from March 2013 to replace the dedicated Class EF67 banking locomotives that assist freight trains on the steeply-graded "Senohachi" section of the

Sanyō Main Line is a former Japanese electronics manufacturer founded in 1947 by Toshio Iue, the brother-in-law of Kōnosuke Matsushita, the founder of Matsushita Electric Industrial, now known as Panasonic. Iue left Matsushita Electric to start his own bu ...

between and . The first locomotive, EF210-301, was delivered from Kawasaki Heavy Industries in Hyogo on 3 September 2012. It entered service from the start of the revised timetable on 16 March 2013. The second locomotive entered service from 28 April 2013. The locomotives are painted in an overall-blue livery with yellow lining.

Fleet details

Classification

The EF210 classification for this locomotive type is explained below. As with previous locomotive designs, the prototype is numbered EF210-901, with subsequent production locomotives numbered from EF210-1 onward. * E: Electric locomotive * F: Six driving axles * 210: DC locomotive with AC motors

References

External links

JR Freight website
{{Jrfloco 1500 V DC locomotives Electric locomotives of Japan EF210 Bo-Bo-Bo locomotives 1067 mm gauge locomotives of Japan Kawasaki locomotives Railway locomotives introduced in 1996