117 series
| 117 series | |
|---|---|
JR-West 117 series in original livery, August 2009
|
|
| In service | 1979 – present |
| Manufacturer | Kawasaki Heavy Industries, Kinki Sharyo, Nippon Sharyo, Tokyu Car Corporation |
| Replaced | 113 series, 153 series |
| Constructed | 1979–1986 |
| Number built | 216 vehicles |
| Number in service | 120 vehicles (JR-West) 4 vehicles (JR Central) |
| Number preserved | 3 vehicles |
| Formation | 4/6/8 cars per trainset |
| Operator(s) |
JNR (1979–1987) JR-West (1987–present) JR Central (1987–July 2013) |
| Depot(s) | Hineno, Kyoto, Miyahara, Ōgaki, Okayama, Yamaguchi |
| Specifications | |
| Car body construction | Steel |
| Car length | 20,000 mm (65 ft 7 in) |
| Width | 2,905 mm (9 ft 6.4 in) |
| Height | 4,066 mm (13 ft 4.1 in) |
| Doors | 2 pairs per side |
| Maximum speed | 110 km/h (68 mph) (JR-West 115km/h) |
| Weight | Minimum: 31.3 t (30.8 long tons; 34.5 short tons), end car without lavatory Maximum: 43.7 t (43.0 long tons; 48.2 short tons), powered car |
| Traction system | Resistor control |
| Power output | 120 kW per motor (MT54D DC motors) |
| Deceleration | 3.5 km/h/s (emergency brake 5.0 km/h/s) |
| Electric system(s) | 1,500 V DC overhead line |
| Current collection method | PS16J diamond shaped pantograph |
| Bogies | DT32E (powered cars) TR69H (trailers) |
| Safety system(s) | ATS-SW, ATS-ST |
| Coupling system | Shibata-type |
| Track gauge | 1,067 mm (3 ft 6 in) |
The 117 series (117系 Hyaku-jūshichi-kei?) is a Japanese suburban electric multiple unit (EMU) train type introduced in 1979 by Japanese National Railways (JNR), and currently operated by Central Japan Railway Company (JR Central) and West Japan Railway Company (JR-West). A total of 216 cars were manufactured. When JNR was privatized and divided into the individual JR Group companies, JR Central received 72 cars, while JR-West took possession of 144.
The 117 series was first introduced to replace the 113 series trains that had been providing special rapid service in the Keihanshin region on the Tōkaidō Main Line and Sanyō Main Line. 113 series cars were used in this role from 1972 along with 153 series express cars that had become surplus as a result of the opening of the Sanyō Shinkansen to Okayama. Although 113 series cars were run in place of 153 series cars, the two were not entirely the same; the 153s had been retrofitted with air conditioning, but their traction motors (MT46 type, producing 100 kW @ 375 V), first built in 1958, were underpowered. Also, as they were designed for express service, they had entryways which required passengers to step up onto the main floor — unsuitable during peak commuter times.
The 117 series addressed these issues, matched the passenger accommodation offered by competing services and provided JNR with a train designed for the transit conditions in the Keihanshin region. The interior was based on the KiHa 66/67 series DMUs being operated in the Kitakyushu region. This also marked the beginning of JNR's effort to standardize their rolling stock.
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Wikipedia