143 series

The 143 series is a Japanese electric tractor unit operated by the Japanese National Railways and its successor company the East Japan Railway Company from 1977 to August 2022.
==History==
The 143 series cars were designed as a dedicated switching locomotive for use by the JNR. 36 cars were built in total. KuMoNi 143-4 and 5 were rebuilt to become KuMoYa 143-51 and 52 respectively in 1986 at Niitsu Works. 
The vast majority of the cars were scrapped in the 2010s; by 2022 only three cars remained operational. The last car, KuMoYa 143-52 was retired on 2 August 2022; despite its retirement from service it remains in use as a switching vehicle within the Nagano General Rolling Stock Center.
==Design==
The 143 series cars featured a squared off design similar to many switching vehicles of the time.
==Specifications==
Construction is of steel.
==Preservation==
The following 143 series cars have been preserved:
Image	Car number 	Manufacturer	Date manufactured	Date retired	Previous sets	Location 	Notes
 	KuMoYa 143-52	Kinki Sharyo	1981 	August 2022 	N/A 	Nagano General Rolling Stock Center, Nagano, Japan	Ex-KuMoNi 143-5; used as switching locomotive within premises
==References==
Category:Electric trainsets
Category:JR Group trains
Category:Hitachi locomotives
Category:Kinki Sharyo locomotives