151/161/181 series
A JNR 181 series train on a Toki service in 1982
In service	1958–1982
Manufacturer	Kawasaki Heavy Industries, Kinki Sharyo, Toshiba
Constructed	1958–1963
Entered service	1 November 1958
Scrapped	1986
Operators	JNR
Specifications
Car body construction	Steel
Car length	Cab cars: 21,250 mm (69 ft 9 in) Intermediate cars: 20,500 mm (67 ft 3 in)
Width	2,946 mm (9 ft 8.0 in)
Doors	1 or 2 per side
Maximum speed	110 km/h (68.4 mph) 163 km/h (101.3 mph) (Record speed for a narrow gauge train in Japan for 151 Series)
Traction system	Resistor control MT46 (151 & 161 Series) MT54 (181 Series)
Power output	100kW (MT46) 120kW (MT54)
Transmission	Gear Ratio; 22:77
Electric system(s)	1,500 V DC
Current collector(s)	overhead catenary
Bogies	DT23, TR58
Track gauge	1,067 mm (3 ft 6 in)
Notes/references
This train won the 2th 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).

Variants

• 151 series
• 161 series
• 181 series

The 151 series trains were introduced in 1958 on Kodama limited services on the Tokaido Main Line.^[1] 161 series trains were introduced in 1959 on Toki limited services on the Joetsu Line.^[1] Some 151 and 161 series cars were subsequently modified to become 181 series alongside newly built 181 series cars.^[1]

• 
  A 151 series on a Fuji limited express service
• 
  A JNR 181 series train on an Azusa service in January 1975

Preserved examples

• KuHa 181 1: Preserved outside the Kawasaki Heavy Industries factory in Kobe, and restored in November 2016 to its original style and numbering as "KuHa 26001"^[2]
• KuHa 181 45: Preserved at the Railway Museum in Saitama Prefecture^[1]

• 
  KuHa 181 1 (formerly Kuha 151 1) preserved outside the Kawasaki Heavy Industries factory in Kobe
• 
  KuHa 181 45 preserved at Niitsu in May 2007 before being moved to the Railway Museum
• 
  KuHa 181 45 preserved at the Railway Museum in Saitama in 2015