# JNR EF80 class

> class of Japanese electric locomotives

**Wikidata**: [Q11421839](https://www.wikidata.org/wiki/Q11421839)  
**Source**: https://4ort.xyz/entity/jnr-ef80-class

## Summary
The JNR EF80 class is a class of Japanese electric locomotives operated by Japanese National Railways, manufactured by Hitachi, Toshiba, and Mitsubishi Heavy Industries.

## Key Facts
- The JNR EF80 class is a class of electric locomotives operated by Japanese National Railways in Japan.
- The locomotives have a 1067 mm track gauge.
- The wheel arrangement is B′B′B′.
- A total of 63 units were produced.
- It uses 20 kV, 50 Hz AC railway electrification and 1500 V DC railway electrification.
- It was manufactured by Hitachi, Toshiba, and Mitsubishi Heavy Industries.
- The locomotives have aliases including EF80形 and EF80.

## FAQs
### Q: What is the JNR EF80 class?
A: The JNR EF80 class is a class of electric locomotives operated by Japanese National Railways, manufactured by Hitachi, Toshiba, and Mitsubishi Heavy Industries.

### Q: How many JNR EF80 locomotives were produced?
A: A total of 63 JNR EF80 class locomotives were produced.

### Q: What is the track gauge used for JNR EF80 class?
A: The JNR EF80 class uses a 1067 mm track gauge.

### Q: What is the wheel arrangement of JNR EF80 class?
A: The JNR EF80 class has a B′B′B′ wheel arrangement.

## Why It Matters
The JNR EF80 class represents an important development in Japanese railway electrification technology during the mid-20th century. As one of the first electric locomotive classes designed for both AC and DC electrification systems, it played a crucial role in the modernization of Japan's railway network. The locomotives were designed to operate on the extensive Japanese National Railways system, which required versatility across different electrification standards. Their production marked a significant step in the electrification of Japanese rail transport, contributing to increased efficiency and reduced operating costs compared to steam locomotives. The EF80 class helped establish the technical standards that would influence subsequent electric locomotive designs in Japan.

## Notable For
- It was manufactured by multiple major Japanese companies including Hitachi, Toshiba, and Mitsubishi Heavy Industries.
- It was designed to operate on both 20 kV AC and 1500 V DC electrification systems.
- The class represented a significant advancement in electric locomotive technology for Japanese railways.
- It was produced in a total of 63 units, indicating its importance and widespread use.
- The B′B′B′ wheel arrangement provided optimal traction and stability for heavy freight and passenger services.

## Body
### Technical Specifications
The JNR EF80 class electric locomotives were designed with specific technical parameters to meet the demands of Japanese railway operations. Key technical details include:
- **Electrification Systems**: Capable of operating on both 20 kV, 50 Hz AC and 1500 V DC overhead contact lines.
- **Track Gauge**: 1067 mm standard Japanese gauge.
- **Wheel Arrangement**: B′B′B′ configuration, providing three axles with traction on all wheels.
- **Manufacturer Diversity**: Produced by three major Japanese industrial conglomerates - Hitachi, Toshiba, and Mitsubishi Heavy Industries.

### Production and Service History
The EF80 class was produced in a total of 63 units, indicating its substantial role in the Japanese National Railways fleet. These locomotives were primarily used for both passenger and freight services across Japan's electrified railway network. The production span likely occurred during the post-war modernization period when Japan was rapidly expanding its electric railway infrastructure.

### Operational Capabilities
The locomotives were designed to handle diverse operational requirements:
- **Versatility**: The dual electrification capability allowed operation across different railway lines with varying electrification standards.
- **Performance**: The B′B′B′ wheel arrangement provided excellent traction and stability, making it suitable for both heavy freight and passenger services.
- **Power Output**: While specific power ratings aren't provided in the source material, the design indicates substantial electrical power capabilities appropriate for mainline railway operations.

### Technical Evolution
The EF80 class represents an important milestone in Japanese railway technology, particularly in the transition from steam to electric power. Its design incorporated contemporary engineering principles of the time, including:
- Advanced electrical control systems
- Robust mechanical construction for heavy-duty operations
- Integration of multiple manufacturer technologies

The locomotives served as a foundation for subsequent electric locomotive designs in Japan, influencing the development of more specialized and efficient electric traction systems.