181 series

151/161/181 series
A JNR 181 series train on a Toki service in 1982
Stock typeElectric multiple unit
In service19581982
ManufacturerKawasaki Heavy Industries, Kinki Sharyo, Toshiba
Constructed19581963
Entered service1 November 1958
Scrapped1986
OperatorsJNR
Specifications
Car body constructionSteel
Car length
  • Cab cars: 21,250 mm (69 ft 9 in)
  • Intermediate cars: 20,500 mm (67 ft 3 in)
Width2,946 mm (9 ft 8.0 in)
Doors1 or 2 per side
Maximum speed
  • 110 km/h (68 mph)
  • 163 km/h (101 mph) (Record speed for a narrow gauge train in Japan for 151 series)
Traction systemResistor control MT46 (151 & 161 series)
MT54 (181 series)
Power output100kW (MT46)
120kW (MT54)
Gear ratio22:77
Electric system(s)1,500 V DC
Current collector(s)overhead catenary
BogiesDT23, TR58
Track gauge1,067 mm (3 ft 6 in)
Notes/references
This train won the 2nd Blue Ribbon Award in 1959.

The 181 series (181系) (and the earlier 151 and 161 series variants) was a Japanese limited express electric multiple unit (EMU) type operated by Japanese National Railways (JNR).