# JR Freight Class HD300

> class of Japanese diesel/battery-electric locomotive

**Wikidata**: [Q5363444](https://www.wikidata.org/wiki/Q5363444)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/JR_Freight_Class_HD300)  
**Source**: https://4ort.xyz/entity/jr-freight-class-hd300

## Summary
The JR Freight Class HD300 is a class of Japanese diesel/battery-electric hybrid locomotives operated by the Japan Freight Railway Company. First entering service in 2010, this locomotive class is notable for its hybrid technology and is manufactured by the multinational conglomerate Toshiba. It runs on a 1067 mm track gauge and features a Bo′Bo′ wheel arrangement.

## Key Facts
- **Classification:** It is a distinct class of locomotive and a subclass of the Hybrid train category.
- **Operator:** The locomotive is operated by the Japan Freight Railway Company.
- **Propulsion:** It utilizes a diesel/battery-electric hybrid system.
- **Manufacturer:** Toshiba, a Japanese multinational conglomerate, serves as the manufacturer.
- **Service Entry:** The class officially entered service in 2010.
- **Track Gauge:** It operates on a 1067 mm track gauge.
- **Wheel Arrangement:** The locomotive features a Bo′Bo′ wheel arrangement.
- **Country:** It is based in Japan.
- **Aliases:** It is also known simply as the "HD300".

## FAQs
### Q: What type of technology does the JR Freight Class HD300 use?
A: The JR Freight Class HD300 is a hybrid train that combines diesel and battery-electric propulsion systems.

### Q: Who manufactures the JR Freight Class HD300?
A: The locomotive is manufactured by Toshiba, a major Japanese electronics and electrical industry conglomerate.

### Q: When did the JR Freight Class HD300 enter service?
A: This locomotive class entered service in 2010.

### Q: Which company operates the Class HD300?
A: It is operated by the Japan Freight Railway Company.

## Why It Matters
The JR Freight Class HD300 represents a significant technological evolution in the Japanese rail freight sector. As a subclass of hybrid trains, it marks a shift away from purely diesel-powered locomotion toward more complex, energy-efficient systems involving battery-electric integration. This transition is critical for modernizing freight logistics in Japan, addressing the need for reliable switching and hauling operations that potentially reduce fuel dependency compared to traditional diesel units.

Manufactured by Toshiba—a corporation with deep roots in the electronics and electrical industries dating back to 1875—the HD300 leverages advanced electrical engineering capabilities. Its introduction in 2010 provided the Japan Freight Railway Company with a modernized asset designed to operate on the standard 1067 mm narrow gauge network prevalent in Japan. By adopting this hybrid diesel/battery-electric class, the operator utilizes a machine tailored for the specific technical requirements of the Japanese rail network, distinguished by its specific Bo′Bo′ wheel arrangement and hybrid architecture.

## Notable For
- **Hybrid Classification:** Being a designated subclass of "Hybrid train," utilizing both diesel and battery-electric power sources.
- **Specialized Manufacturing:** Being produced by Toshiba, a leader in the electronics and electrical industry, rather than a traditional rolling stock monopoly.
- **Narrow Gauge Operation:** Operating on the 1067 mm track gauge, standard for Japanese railways.
- **Specific Wheel Configuration:** Featuring a Bo′Bo′ wheel arrangement, which denotes two bogies with four powered axles.

## Body
### Overview and Classification
The JR Freight Class HD300 is a class of locomotive designed and utilized within the Japanese rail network. It is formally classified as a "locomotive class" and is a specialized "subclass of Hybrid train." This dual classification highlights its role as a heavy transport vehicle that integrates multiple power sources. The entity is often referred to by its alias, "HD300."

### Technical Specifications
The locomotive is engineered to operate on the Japanese rail network standard of a 1067 mm track gauge. Its mechanical design includes a Bo′Bo′ wheel arrangement, a configuration where the locomotive runs on two bogies, each containing two powered axles. This arrangement is commonly used for its balance of traction and weight distribution.

### Manufacturing and Operations
Production of the JR Freight Class HD300 is handled by Toshiba. This organization is a Japanese multinational conglomerate corporation headquartered in Minato, Japan. Toshiba, founded in 1875, brings significant expertise from the electronics, software, and electrical industries to the manufacturing of these units. Manufacturing commenced with a start time of 2010.

The locomotive is exclusively operated by the Japan Freight Railway Company. It entered active service in 2010. Visual documentation and media related to the locomotive are categorized under "JR Freight HD300" on Wikimedia Commons.

## References

1. Freebase Data Dumps. 2013