# JNR Class ED73

> Japanese electric locomotive type

**Wikidata**: [Q11421815](https://www.wikidata.org/wiki/Q11421815)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/JNR_Class_ED73)  
**Source**: https://4ort.xyz/entity/jnr-class-ed73

## Summary
The JNR Class ED73 is a class of electric locomotive operated by the Japanese National Railways. Manufactured by the Japanese conglomerate Toshiba between 1962 and 1963, the fleet consisted of 22 units. It is classified as a type of Bo′Bo′ wheel arrangement locomotive.

## Key Facts
- **Operator:** Japanese National Railways
- **Manufacturer:** Toshiba
- **Production Period:** 1962 – 1963
- **Total Produced:** 22 units
- **Class Type:** Electric locomotive
- **Wheel Arrangement:** Bo′Bo′
- **Alias:** ED73
- **Headquarters of Manufacturer:** Minato, Japan

## FAQs
### Q: Who manufactured the JNR Class ED73?
A: The JNR Class ED73 was manufactured by Toshiba, a Japanese multinational conglomerate corporation headquartered in Minato, Japan.

### Q: How many JNR Class ED73 locomotives were built?
A: There were exactly 22 units of the JNR Class ED73 produced during its manufacturing run.

### Q: What is the wheel arrangement of the JNR Class ED73?
A: This locomotive class features a Bo′Bo′ wheel arrangement.

### Q: When was the JNR Class ED73 produced?
A: Manufacturing of the JNR Class ED73 began in 1962 and ended in 1963.

## Why It Matters
The JNR Class ED73 represents a specific era of Japanese rail infrastructure development under the Japanese National Railways. As an electric locomotive class produced in the early 1960s, it reflects the industrial capabilities of the period, particularly the role of major domestic electronics and heavy industry firms like Toshiba in building transportation assets. Toshiba, established in 1875, utilized its expertise in the electrical industry to manufacture these units, contributing to the modernization of the JNR fleet.

The production of 22 units over a two-year period (1962–1963) indicates a focused procurement strategy by the national railway operator. The Bo′Bo′ wheel arrangement suggests a design optimized for specific traction requirements typical of Japanese rail geometry. Although the specific routes or cargo types are not detailed in the provided data, the existence of this class highlights the diversity of rolling stock required to maintain the national network. The locomotive remains a subject of interest for rail enthusiasts, evidenced by its documentation in photographic archives and multiple language editions of Wikipedia.

## Notable For
- **Specific Production Run:** A distinct fleet of only 22 units, all produced within a tight two-year window.
- **Toshiba Manufacturing:** Distinguished by its production by Toshiba, a major global conglomerate in the electronics and electrical industry.
- **Bo′Bo′ Configuration:** Utilizes the Bo′Bo′ wheel arrangement, a significant technical specification for this locomotive type.
- **National Operator:** Served under the Japanese National Railways, the primary railway operator in Japan during that era.

## Body
### Classification and Design
The JNR Class ED73 is an instance of a **locomotive class** and falls under the subclass of **electric locomotive**. It is designed with a **Bo′Bo′ wheel arrangement**, a configuration often used in electric locomotives to distribute weight and provide reliable adhesion. The locomotive is also known by the alias **ED73**.

### Manufacturing Details
The class was manufactured by **Toshiba**, a prominent organization in the electronics, software, and electrical industries.
- **Start Time:** 1962
- **End Time:** 1963
- **Total Produced:** 22 units

Toshiba, the manufacturing entity, is a Japanese multinational conglomerate founded in 1875. Its headquarters are located in Minato, Japan.

### Operational Context
The sole operator of the ED73 class was the **Japanese National Railways**. The locomotive is documented in various knowledge bases, including a Freebase ID (`/m/010xfc33`) and a dedicated Wikimedia Commons category titled "JNR ED73." An image of the locomotive (ED73 1) is archived from January 1963, corroborating the production timeline.