| 157 series | |
|---|---|
 A 157 series EMU on an imperial train working, June 1978 | |
| In service | September 1959–1980 |
| Manufacturer | Kawasaki Sharyo, Kisha Seizo, Nippon Sharyo |
| Constructed | 1959–1963 |
| Number built | 32 vehicles |
| Number in service | None |
| Number preserved | 1 vehicle |
| Number scrapped | 31 vehicles |
| Operators | JNR |
| Depots | Tamachi |
| Specifications | |
| Car body construction | Steel |
| Traction system | Resistor control |
| Traction motors | MT46 |
| Power output | 100kW |
| Transmission | Gear Ratio: 1:4.21 (19:80) |
| Electric system(s) | 1,500 V DC |
| Current collector(s) | Overhead wire |
| Track gauge | 1,067 mm (3 ft 6 in) |
The 157 series (157系) was a Japanese DC electric multiple unit (EMU) train type operated on limited express services by Japanese National Railways (JNR) from 1959 until 1980.